java马士兵源码Word格式文档下载.docx

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java马士兵源码Word格式文档下载.docx

//m.scream();

publicstaticvoidmain(String[]args){

//inti;

System.out.println(furColor);

Dogd=newDog();

Mousem=newMouse();

d.catchMouse(m);

HelloWorldhw=newHelloWorld();

classMouse{

intheight;

Count3Quit.java

publicclassCount3Quit{

int[]a=newint[500];

for(inti=0;

i<

a.length;

i++){

a[i]=1;

}

intleftCount=500;

intcountNum=0;

intindex=0;

while(leftCount!

=1){

if(a[index]==1){

countNum++;

if(countNum==3){

countNum=0;

a[index]=0;

leftCount--;

}

}

index++;

if(index==a.length){

index=0;

if(a[i]==1){

System.out.println(i);

Fab.java

publicclassFab{

System.out.println(f(-9));

publicstaticlongf(intindex){

if(index<

1){

System.out.println("

invalidparameter!

"

return-1;

if(index==1||index==2){

return1;

longf1=1L;

longf2=1L;

longf=0;

index-2;

f=f1+f2;

f1=f2;

f2=f;

returnf;

HelloWorld.java

publicclassHelloWorld{

staticintj=9;

publicstaticvoidmain(String[]asdfasf){//a;

sldfkja;

sdjf;

asjdf;

asjdf

System.out.println("

HW"

System.out.println(123);

System.out.println(j);

inti=8;

}

publicstaticvoidm(){

classTT{}

ListFile.java

importjava.io.*;

publicclassListFile{

Filef=newFile("

d:

\\test"

/*

File[]files=f.listFiles();

for(Fileff:

files){

System.out.println(ff.getName());

*/

listChilds(f,0);

publicstaticvoidlistChilds(Filef,intlevel){

StringpreStr="

;

level;

i++){preStr+="

"

System.out.println(preStr+f.getName());

if(!

f.isDirectory())return;

File[]childs=f.listFiles();

childs.length;

listChilds(childs[i],level+1);

MySearch.java

publicclassMySearch{

publicclassmain(String[]args){

inta[]={2,5,99,4,6,8,7,24,12};

intm=6;

if(a[i]==m){

OddSum.java

publicclassOddSum{

longresult=0;

for(inti=1;

=99;

i+=2){

result+=i;

}

result="

+result);

Point3D.java

publicclassPoint3D{

doublex,y,z;

publicPoint3D(double_x,double_y,double_z){

x=_x;

y=_y;

z=_z;

publicvoidsetX(double_x){

publicdoubledistance(){

returnx*x+y*y+z*z;

Point3Dp=newPoint3D(1.2,3.4,5.8);

p.setX(1.3);

System.out.println(p.distance());

TestAccess.java

T.java

publicclassT{

inti;

voidm(inti){

this.i=i;

voidm(shorti){

short"

this.i=8;

Tt=newT();

t.m(5);

TestBreak.java

publicclassTestBreak{

publicstaticvoidmain(Stringargs[]){

intstop=4;

for(inti=1;

i<

=10;

//当i等于stop时,退出循环

if(i==stop){

;

break;

System.out.println("

i="

+i);

TestCircle.java

classPoint{

privatedoublex;

privatedoubley;

Point(doublex1,doubley1){

x=x1;

y=y1;

publicdoublegetX(){returnx;

publicdoublegetY(){returny;

publicvoidsetX(doublei){x=i;

publicvoidsetY(doublei){y=i;

classCircle{

privatePointo;

privatedoubleradius;

Circle(Pointp,doubler){

o=p;

radius=r;

Circle(doubler){

o=newPoint(0.0,0.0);

radius=r;

booleancontains(Pointp){

doublex=p.getX()-o.getX();

doubley=p.getY()-o.getY();

if(x*x+y*y>

radius*radius)returnfalse;

elsereturntrue;

publicvoidsetO(doublex,doubley){

o.setX(x);

o.setY(y);

publicPointgetO(){returno;

publicdoublegetRadius(){returnradius;

publicvoidsetRadius(doubler){radius=r;

publicdoublearea(){

return3.14*radius*radius;

publicclassTestCircle{

Circlec1=newCircle(newPoint(1.0,2.0),2.0);

Circlec2=newCircle(5.0);

c1:

("

+c1.getO().getX()+"

"

+c1.getO().getY()+"

),"

+c1.getRadius());

c2:

+c2.getO().getX()

+"

+c2.getO().getY()+"

+c2.getRadius());

c1area="

+c1.area());

+c2.area());

c1.setO(5,6);

c2.setRadius(9.0);

+c2.getO().getX()+"

+c2.getO().getY()+"

Pointp1=newPoint(5.2,6.3);

System.out.println(c1.contains(p1));

System.out.println(c1.contains(newPoint(10.0,9.0)));

TestConstruct.java

classPerson2{

privateStringlocation;

Person2(Stringname){

location="

beijing"

Person2(Stringname,Stringlocation){

this.location=location;

publicStringinfo(){

return

name:

location:

+location;

classTeacherextendsPerson2{

privateStringcapital;

Teacher(Stringname,Stringcapital){

this(name,"

capital);

Teacher(Stringname,Stringlocation,Stringcapital){

super(name,location);

this.capital=capital;

returnsuper.info()+"

capital:

+capital;

publicclassTestConstruct{

Teachert=newTeacher("

B"

"

GG"

System.out.println(t.info());

TestConvert2.java

publicclassTestConvert2{

inti=1,j=12;

floatf1=(float)0.1;

//0.1f

floatf2=123;

longl1=12345678,l2=8888888888L;

doubled1=2e20,d2=124;

byteb1=1,b2=2,b3=127;

j=j+10;

i=i/10;

i=(int)(i*0.1);

charc1='

a'

c2=125;

byteb=(byte)(b1-b2);

charc=(char)(c1+c2-1);

floatf3=f1+f2;

floatf4=(float)(f1+f2*0.1);

doubled=d1*i+j;

floatf=(float)(d1*5+d2);

TestConvert.java

publicclassTestConvert{

publicstaticvoidmain(Stringarg[]){

inti1=123;

inti2=456;

doubled1=(i1+i2)*1.2;

//系统将转换为double型运算

floatf1=(float)((i1+i2)*1.2);

//需要加强制转换符

byteb1=67;

byteb2=89;

byteb3=(byte)(b1+b2);

//系统将转换为int型运算,需要强制转换符

System.out.println(b3);

doubled2=1e200;

floatf2=(float)d2;

//会产生溢出

System.out.println(f2);

floatf3=1.23f;

//必须加f

longl1=123;

longl2=30000000000L;

//必须加l

floatf=l1+l2+f3;

//系统将转换为float型计算

longl=(long)f;

//强制转换会舍去小数部分(不是四舍五入)

TestDigitCount.java

publicclassTestDigitCount{

inti=34789;

doubled=3478.9765;

digitCount2(String.valueOf(i));

digitCount2(String.valueOf(d));

publicstaticvoiddigitCount(Strings){

intindex=s.indexOf("

."

if(index==-1){

System.out.println(s.length());

}else{

整数:

+index+"

\n"

+"

小数:

+(s.length()-index-1));

publicstaticvoiddigitCount2(Strings){

Strings1=s.replace('

.'

'

'

String[]ss=s1.split("

if(ss.length==1){

System.out.println(s1.length());

}elseif(ss.length==2){

+ss[0].length()+"

+ss[1].length());

FormatError!

TestEqual.java

publicclassTestEqual{

Integeri1=newInteger

(1);

Integeri2=newInteger

(1);

System.out.println(i1==i2);

System.out.println(i1.equals(i2));

Maom1=newMao("

A"

Maom2=newMao("

System.out.println(m1==m2);

System.out.println(m1.equals(m2));

classMao{

Stringname;

Stringcolor;

Mao(Stringn,Stringc){

name=n;

color=c;

publicbooleanequals(Objectobj){

returntrue;

TestFormat.java

publicclassTestFormat{

publicstaticviodmain(String[]args){

ok"

hello"

inti=8+9;

10;

System.out.println(i);

publicvoidm(){

publicvoidm2(){

publicvoidm3(){

publicvoidm4(){

TestIF.java

publicclassTestIF{

inti=20;

if(i<

20){

<

20"

}elseif(i<

40){

40"

60){

60"

}else

>

=60"

TestInherit.java

classFatherClass{

publ

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