java实验32.docx
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java实验32
实验项目名称:
图形用户界面实验学时:
6
同组学生姓名:
————实验地点:
1514/A203
实验日期:
2016、5、4/5、6/5、11实验成绩:
批改教师:
王倩倩批改时间:
一、实验目的与要求
(1)掌握Swing组件的使用方法;
(2)熟练掌握Swing中常用布局管理器的使用方法;
(3)掌握用户界面动作与事件的处理程序的编写方法;
(4)熟练掌握构造用户界面的方法与常见界面元素的使用;
(5)熟练掌握Java绘图的主要方法。
(6)调试程序要记录调试过程中出现的问题及解决办法;
(7)编写程序要规范、正确,上机调试过程与结果要有记录,不断积累编程及调试经验;
(8)做完实验后给出本实验的实验报告。
二、实验仪器与设备
奔腾以上计算机,Windows操作系统,装有JDK1、7与Eclipse软件。
三、实验过程
1、计算器设计
2、模拟裁判评分。
设计如图所示图形界面,显示n个裁判的评分,根据制定规则计算出最后得分。
要求:
图形界面采用表格显示裁判评分,随裁判人数变化而变化;指定分数范围,若超出,则异常处理;得分规则有指定接口约定,由多个接口对象给出多种得分规则,如求平均数值,或去掉一个最高分与一个最低分后,再求平均值。
3、编译运行下例,然后修改程序,当使用鼠标单击后在另一位置重新绘制月亮。
【例】在Applet中画月亮。
importjava、awt、*;
importjava、applet、Applet;
publicclassMoonAppletextendsApplet
{
publicvoidpaint(Graphicsg)//在Applet上绘图
g、setColor(Color、red);
g、drawString("TheMoon",100,20);
intx=0,y=0;//圆外切矩形左上角坐标
x=this、getWidth()/4;
y=this、getHeight()/4;
intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径
g、setColor(Color、yellow);
g、fillOval(x,y,diameter,diameter);//画圆
g、setColor(this、getBackground());//设置为背景色
g、fillOval(x-20,y-20,diameter,diameter);//画圆
}
4、根据阿基米德螺线的极坐标方程:
r=aθ画出相应图形。
(1)注意选用适当的布局管理器设计图形用户界面,比较它们的布局情况;
(2)养成良好的编程习惯,严格按照命名规则为包、类及类成员命名,将每个程序打包,包的命名方式如three、num1表示实验三的第一题;
(3)学会使用Eclipse的各种调试方法;
(4)学会查阅JavaAPI文档,如查找事件类的处理里方法。
程序清单:
(建议程序中适当添加注释信息,增强可读性;较长程序可分栏书写,保证报告排版整洁美观。
)
第1题实验代码:
packageshiyan3_1;
importjava、awt、event、*;
importjavax、swing、*;
importjavax、swing、event、*;
publicclasscalculatorframeextendsJFrameimplementsActionListener
privateJTextFieldtext;
privateJButtonbuttons[];
publiccalculatorframe()
super("Calculator");
this、setSize(500,300);
this、setLocation(300,240);
this、setDefaultCloseOperation(3);//EXIT_ON_CLOSE
text=newJTextField("",20);
text、setHorizontalAlignment(JTextField、RIGHT);
text、setEditable(false);
this、getContentPane()、add(text,"North");
JPanelpanel=newJPanel(newGridLayout(5,4));
this、getContentPane()、add(panel,"Center");
Stringstr[]={"sqrt","+/-","Backspace","C","7","8","9","/","4","5","6","*","1","2","3","-","0","、","=","+"};
this、buttons=newJButton[str、length];
for(inti=0;i{buttons[i]=newJButton(str[i]);panel、add(buttons[i]);buttons[i]、addActionListener(this);}this、setVisible(true);}publicvoidactionPerformed(ActionEventev){Stringcurrent=ev、getActionCommand();if(current、equals("C")){text、setText("0");}elseif(current、equals("Backspace")){Stringstr=text、getText()、substring(0,text、getText()、length()-1);text、setText(str);}else{if(text、getText()、equals("0"))//字符串比较要用equals{text、setText("");}if(!current、equals("=")){if(current、equals("sqrt")){Stringstrtemp=text、getText();doublevalue=Double、parseDouble(strtemp);text、setText(""+Math、sqrt(value));}else{text、setText(text、getText()+current);}}else{Stringstrtemp=text、getText();Stringstr1,str2;inti=0;charop;doublevalue=0;/*while(strtemp、charAt(i)!='+'&&strtemp、charAt(i)!='-'&&strtemp、charAt(i)!='*'&&strtemp、charAt(i)!='/'){System、out、println(strtemp、charAt(i));}*/for(i=0;i{if(strtemp、charAt(i)=='+'||strtemp、charAt(i)=='-'||strtemp、charAt(i)=='*'||strtemp、charAt(i)=='/'){break;}}str1=strtemp、substring(0,i);op=strtemp、charAt(i);str2=strtemp、substring(i+1);if(op=='+'){value=Double、parseDouble(str1)+Double、parseDouble(str2);}if(op=='-'){value=Double、parseDouble(str1)-Double、parseDouble(str2);}if(op=='*'){value=Double、parseDouble(str1)*Double、parseDouble(str2);}if(op=='/'){value=Double、parseDouble(str1)/Double、parseDouble(str2);}text、setText(""+value);}}}publicstaticvoidmain(Stringargs[]){newcalculatorframe();}}第2题实验代码:packageshiyan3_2;importjava、io、*;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;importjavax、swing、table、DefaultTableModel;importshiyan2_6、MyException;publicclassanalogscoreextendsJFrameimplementsActionListener,scoreprinciple{privateJTextFieldtext;privateJButtonbutton;privateDefaultTableModeltablemodel;privatedoublea[];publicanalogscore(doublea[]){super("模拟裁判评分");this、setBounds(300,240,780,400);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、a=a;introw;intrest;if(a、length%5!=0){if(a、length<5){this、tablemodel=newDefaultTableModel(1,a、length);intt=0,i;for(i=0;i{this、tablemodel、setValueAt(a[t],0,i);t++;}}else{System、out、println("就是整行");row=a、length/5+1;rest=a、length%5;System、out、println(""+row);System、out、println(""+rest);this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}for(j=0;j{this、tablemodel、setValueAt(a[t],row-1,j);t++;}}}else{System、out、println("不就是整行");row=a、length/5;this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
buttons[i]=newJButton(str[i]);
panel、add(buttons[i]);
buttons[i]、addActionListener(this);
this、setVisible(true);
publicvoidactionPerformed(ActionEventev)
Stringcurrent=ev、getActionCommand();
if(current、equals("C"))
text、setText("0");
else
if(current、equals("Backspace"))
Stringstr=text、getText()、substring(0,text、getText()、length()-1);
text、setText(str);
if(text、getText()、equals("0"))//字符串比较要用equals
text、setText("");
if(!
current、equals("="))
if(current、equals("sqrt"))
Stringstrtemp=text、getText();
doublevalue=Double、parseDouble(strtemp);
text、setText(""+Math、sqrt(value));
text、setText(text、getText()+current);
Stringstr1,str2;
inti=0;
charop;
doublevalue=0;
/*while(strtemp、charAt(i)!
='+'&&strtemp、charAt(i)!
='-'&&strtemp、charAt(i)!
='*'&&strtemp、charAt(i)!
='/')
System、out、println(strtemp、charAt(i));
*/
for(i=0;i{if(strtemp、charAt(i)=='+'||strtemp、charAt(i)=='-'||strtemp、charAt(i)=='*'||strtemp、charAt(i)=='/'){break;}}str1=strtemp、substring(0,i);op=strtemp、charAt(i);str2=strtemp、substring(i+1);if(op=='+'){value=Double、parseDouble(str1)+Double、parseDouble(str2);}if(op=='-'){value=Double、parseDouble(str1)-Double、parseDouble(str2);}if(op=='*'){value=Double、parseDouble(str1)*Double、parseDouble(str2);}if(op=='/'){value=Double、parseDouble(str1)/Double、parseDouble(str2);}text、setText(""+value);}}}publicstaticvoidmain(Stringargs[]){newcalculatorframe();}}第2题实验代码:packageshiyan3_2;importjava、io、*;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;importjavax、swing、table、DefaultTableModel;importshiyan2_6、MyException;publicclassanalogscoreextendsJFrameimplementsActionListener,scoreprinciple{privateJTextFieldtext;privateJButtonbutton;privateDefaultTableModeltablemodel;privatedoublea[];publicanalogscore(doublea[]){super("模拟裁判评分");this、setBounds(300,240,780,400);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、a=a;introw;intrest;if(a、length%5!=0){if(a、length<5){this、tablemodel=newDefaultTableModel(1,a、length);intt=0,i;for(i=0;i{this、tablemodel、setValueAt(a[t],0,i);t++;}}else{System、out、println("就是整行");row=a、length/5+1;rest=a、length%5;System、out、println(""+row);System、out、println(""+rest);this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}for(j=0;j{this、tablemodel、setValueAt(a[t],row-1,j);t++;}}}else{System、out、println("不就是整行");row=a、length/5;this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
if(strtemp、charAt(i)=='+'||strtemp、charAt(i)=='-'||strtemp、charAt(i)=='*'||strtemp、charAt(i)=='/')
break;
str1=strtemp、substring(0,i);
op=strtemp、charAt(i);
str2=strtemp、substring(i+1);
if(op=='+')
value=Double、parseDouble(str1)+Double、parseDouble(str2);
if(op=='-')
value=Double、parseDouble(str1)-Double、parseDouble(str2);
if(op=='*')
value=Double、parseDouble(str1)*Double、parseDouble(str2);
if(op=='/')
value=Double、parseDouble(str1)/Double、parseDouble(str2);
text、setText(""+value);
publicstaticvoidmain(Stringargs[])
newcalculatorframe();
第2题实验代码:
packageshiyan3_2;
importjava、io、*;
importjavax、swing、table、DefaultTableModel;
importshiyan2_6、MyException;
publicclassanalogscoreextendsJFrameimplementsActionListener,scoreprinciple
privateJButtonbutton;
privateDefaultTableModeltablemodel;
privatedoublea[];
publicanalogscore(doublea[])
super("模拟裁判评分");
this、setBounds(300,240,780,400);
this、setDefaultCloseOperation(EXIT_ON_CLOSE);
this、a=a;
introw;
intrest;
if(a、length%5!
=0)
if(a、length<5)
this、tablemodel=newDefaultTableModel(1,a、length);
intt=0,i;
for(i=0;i{this、tablemodel、setValueAt(a[t],0,i);t++;}}else{System、out、println("就是整行");row=a、length/5+1;rest=a、length%5;System、out、println(""+row);System、out、println(""+rest);this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}for(j=0;j{this、tablemodel、setValueAt(a[t],row-1,j);t++;}}}else{System、out、println("不就是整行");row=a、length/5;this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
this、tablemodel、setValueAt(a[t],0,i);
t++;
System、out、println("就是整行");
row=a、length/5+1;
rest=a、length%5;
System、out、println(""+row);
System、out、println(""+rest);
this、tablemodel=newDefaultTableModel(row,5);
intt=0,i,j;
for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}for(j=0;j{this、tablemodel、setValueAt(a[t],row-1,j);t++;}}}else{System、out、println("不就是整行");row=a、length/5;this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
{for(j=0;j<5;j++)
this、tablemodel、setValueAt(a[t],i,j);
for(j=0;j{this、tablemodel、setValueAt(a[t],row-1,j);t++;}}}else{System、out、println("不就是整行");row=a、length/5;this、tablemodel=newDefaultTableModel(row,5);intt=0,i,j;for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
this、tablemodel、setValueAt(a[t],row-1,j);
System、out、println("不就是整行");
row=a、length/5;
for(i=0;i{for(j=0;j<5;j++){this、tablemodel、setValueAt(a[t],i,j);t++;}}}JTablejtable=newJTable(this、tablemodel);this、getContentPane()、add(jtable,"North");JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));this、getContentPane()、add(panel);button=newJButton("平均分");panel、add(button);button、addActionListener(this);text=newJTextField("",8);text、setEditable(false);panel、add(text);this、setVisible(true);}publicdoublesp(doublea[]){doublesum=0;if(a!=null&&a、length>2){doublemax=a[0],min=a[0];for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
JTablejtable=newJTable(this、tablemodel);
this、getContentPane()、add(jtable,"North");
JPanelpanel=newJPanel(newFlowLayout(FlowLayout、RIGHT));
this、getContentPane()、add(panel);
button=newJButton("平均分");
panel、add(button);
button、addActionListener(this);
text=newJTextField("",8);
panel、add(text);
publicdoublesp(doublea[])
doublesum=0;
if(a!
=null&&a、length>2)
doublemax=a[0],min=a[0];
for(inti=0;i{sum+=a[i];if(a[i]>max){max=a[i];}if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
sum+=a[i];
if(a[i]>max)
max=a[i];
if(a[i]{min=a[i];}}return(sum-max-min)/(a、length-2);}return0、0;}publicvoidactionPerformed(ActionEventev){doublet=this、sp(a);this、text、setText(""+t);}publicstaticvoidmain(Stringarg[]){try{BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区System、out、println("请输入裁判人数:");Stringcl=strin、readLine();intn=Integer、parseInt(cl);System、out、println("请以此输入裁判的分数:");String[]strArray=newString[n];for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
min=a[i];
return(sum-max-min)/(a、length-2);
return0、0;
doublet=this、sp(a);
this、text、setText(""+t);
publicstaticvoidmain(Stringarg[])
try
BufferedReaderstrin=newBufferedReader(newInputStreamReader(System、in));//建立输入流缓冲区
System、out、println("请输入裁判人数:
");
Stringcl=strin、readLine();
intn=Integer、parseInt(cl);
System、out、println("请以此输入裁判的分数:
String[]strArray=newString[n];
for(inti=0;i{strArray[i]=strin、readLine();if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();}doublea[]=newdouble[n];for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
strArray[i]=strin、readLine();
if(Double、parseDouble(strArray[i])<0||Double、parseDouble(strArray[i])>10)thrownewMyException();
doublea[]=newdouble[n];
for(inti=0;i{a[i]=Double、parseDouble(strArray[i]);System、out、println(""+a[i]);//if(a[i]<0||a[i]>10)thrownewMyException();}newanalogscore(a);}catch(IOExceptionex){System、out、println("I/O有关的异常");}catch(NumberFormatExceptionex){System、out、println("字符串不能转换成整数");}catch(MyExceptionex){System、out、println("输入评分超出范围");}}}第3题实验代码:packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassmooncanvasextendsCanvasimplementsMouseListener{privateColorcolor;intx=this、getWidth()/2;inty=this、getHeight()/2;publicmooncanvas(){this、addMouseListener(this);}publicmooncanvas(Colorcolor){this、setColor(color);}publicvoidsetColor(Colorcolor){this、color=color;}publicvoidpaint(Graphicsg){g、setColor(Color、red);g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标intdiameter=Math、min(this、getWidth()/2,this、getHeight()/2);//圆的直径g、setColor(Color、yellow);g、fillOval(x,y,diameter,diameter);//画圆g、setColor(this、getBackground());//设置为背景色g、fillOval(x-20,y-20,diameter,diameter);//画圆}publicvoidmousePressed(MouseEvente){x=e、getX();y=e、getY();repaint();}publicvoidmouseReleased(MouseEvente){}publicvoidmouseEntered(MouseEvente){}publicvoidmouseExited(MouseEvente){}publicvoidmouseClicked(MouseEvente){x=e、getX();y=e、getY();repaint();}/*publicvoidupdate(Graphicsg){paint(g);super、update(g);}*/}packageshiyan3_3_1;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;importjavax、swing、event、*;publicclassMoonJframeextendsJFrame{privatemooncanvascanvas;publicMoonJframe(){super("月亮");Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");this、setVisible(true)}publicstaticvoidmain(Stringargs[]){newMoonJframe();}}第4题实验代码:packageshiyan3_4;importjava、awt、*;importjava、awt、event、*;importjavax、swing、*;publicclassarchimedeslinejframeextendsJFrameimplementsActionListener{privateArchimedesCanvasarchimedes;privateJButtonbutton_color;publicarchimedeslinejframe(){super("阿基米德螺线");Dimensiondim=getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);this、setDefaultCloseOperation(EXIT_ON_CLOSE);button_color=newJButton("选择颜色");this、getContentPane()、a
a[i]=Double、parseDouble(strArray[i]);
System、out、println(""+a[i]);
//if(a[i]<0||a[i]>10)thrownewMyException();
newanalogscore(a);
catch(IOExceptionex)
System、out、println("I/O有关的异常");
catch(NumberFormatExceptionex)
System、out、println("字符串不能转换成整数");
catch(MyExceptionex)
System、out、println("输入评分超出范围");
第3题实验代码:
packageshiyan3_3_1;
publicclassmooncanvasextendsCanvasimplementsMouseListener
privateColorcolor;
intx=this、getWidth()/2;
inty=this、getHeight()/2;
publicmooncanvas()
this、addMouseListener(this);
publicmooncanvas(Colorcolor)
this、setColor(color);
publicvoidsetColor(Colorcolor)
this、color=color;
publicvoidpaint(Graphicsg)
g、drawString("TheMoon",300,20);//圆外切矩形左上角坐标
publicvoidmousePressed(MouseEvente)
x=e、getX();
y=e、getY();
repaint();
publicvoidmouseReleased(MouseEvente){}
publicvoidmouseEntered(MouseEvente){}
publicvoidmouseExited(MouseEvente){}
publicvoidmouseClicked(MouseEvente)
/*publicvoidupdate(Graphicsg)
paint(g);
super、update(g);
publicclassMoonJframeextendsJFrame
privatemooncanvascanvas;
publicMoonJframe()
super("月亮");
Dimensiondim=this、getToolkit()、getScreenSize();this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);
this、canvas=newmooncanvas();this、getContentPane()、add(this、canvas,"Center");
this、setVisible(true)
newMoonJframe();
第4题实验代码:
packageshiyan3_4;
publicclassarchimedeslinejframeextendsJFrameimplementsActionListener
privateArchimedesCanvasarchimedes;
privateJButtonbutton_color;
publicarchimedeslinejframe()
super("阿基米德螺线");
Dimensiondim=getToolkit()、getScreenSize();
this、setBounds(dim、width/4,dim、height/4,dim、width/2,dim、height/2);
button_color=newJButton("选择颜色");
this、getContentPane()、a
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