IBM java 英文面试题.docx

1、IBM java 英文面试题IBM java 英文面试题IBM java 英文面试题(附参考答案) 1.what is oracle. 2.what is major differenece oracle8i and oracle9i. 4.tell me some thing ur self. 5.please tell me about oops. 6.what is single inheritance. 7.what is multiple inheritance. 8.can java support multiple inheritance. 9.what is interface

2、. 10.what is differenec between abstract class and interface. 11.how to u prove that abstrace class cannot instantiate directly. 12.what is differenece between string and stringbuffer. 13.what is immutable 14.how to write a program using sort program. 15 how to write a program using unsort program.

3、16.what is legacy. 17.what is legacy api 18.what is legacy interface. 19.what is main difference hashmap and hastable 20.what is main difference between arraylist and vector. 21.what is struts framework. 22.what are distributed techonologies. 23.what is advantage and disadvantage of distributed tech

4、onologies. 24.what is main difference between jsp and servlets. 25.what is difference between procedure and functions. 26.what is jdbc. 27.what are type of drivers. 28.what is type 4 driver. 29.how to collect requuirements form u r client. 30.which process use in ur project. 31.what is deployment de

5、scriptor. 32.what is heirarchy of files in struts. 33.please draw struts frame wrok. 34.please draw j2ee architecture. 35.please draw mvc-2 architecture. 36.please draw that how design op module. 37.how to find a file on linux. 38.how to configure weblogic8.1 on linux. 39.why you use struts framewor

6、k in ur project. 40.what is platfrom independent 41.what is awt and swing. quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more

7、 (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not availabl

8、e to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation. 3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward unde

9、r the slogan, the country started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicken farms also use mechanical sets eggs and manure. According to

10、 statistics, fully enclosed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a difference of 102

11、0. Chinas energy supply is in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitation is 600 mm. 1988 2474 cubic meters of water per capita in Ch

12、ina, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when you 42.what is heavy wieght components. 43.what is feature of weblgoic8.1. 44.why you choose application server on linux and database server on aix. 45.please tel

13、l me about ur project. 46.what is major concepts in oops. 47.why u choose mvc-2 architecture. 48.what is implicit object. 49.how many implicit objects in jsp 50.why choose weblogic8.1 other than any applicationserver. 51.what is water fall model vs sdlc 52.what is use of dataflowdiagrams 53.wha t is

14、 ip in ur project. 54.what about reception module 1. Oracle is an RDBMS product with DDL and DML from a company called Oracle Inc. 2. Difference between 8i and 9i is given in the Oracle site 3. Question not available 4. Something 5. oops is Object Oriented Programming 6.what is single inheritance. a

15、ns:one class is inherited by only other one class 7.what is multiple inheritance. ans:One class inheriting more than one class at atime 8.can java support multiple inheritance. ans:No 9.what is interface. ans:Interface has only method declarations but no defn 10.what is differenec between abstract c

16、lass and interface. ans:In abstract class some methods may contain definition,but in interface every method should be abstract quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens laying hen

17、s, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cultivated land, wasteland, the principle of slope land.

18、 When the chicken farm should generally not available to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation. 3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig and ch

19、icken farm mechanization in our country forward under the slogan, the country started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicken farms al

20、so use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power con

21、sumption difference is very big, a difference of 1020. Chinas energy supply is in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitation is 600

22、mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when you 11.how to u prove that abstrace class cannot instantiate directly. ans:As they dont have constructor they

23、cant be instantiated 12.what is differenece between string and stringbuffer. ans:Strings are immutable where as string buffer can be modified 13.what is immutable ans:Which cant be changed 14.how to write a program using sort program. 15 how to write a program using unsort program. ans: Both can be

24、done using javascript This is for Sort function SelectTextSort(obj) / sort by text var N=obj.options.length; for (var i=0;iN-1;i+) for (var j=i+1;j obj.optionsj.text ) var i1= (obj.optionsi.selected = true ) ? true : false var j1= (obj.optionsj.selected = true ) ? true : false var q1 = obj.optionsj.

25、text; var q2 = obj.optionsj.value; obj.optionsj.text = obj.optionsi.text; obj.optionsj.value = obj.optionsi.value; obj.optionsi.text = q1; obj.optionsi.value = q2; obj.optionsi.selected = (j1 & true ) ? true : false obj.optionsj.selected = (i1 & true ) ? true : false return true 16.what is legacy. 1

26、7.what is legacy api 18.what is legacy interface. quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more (including Office of hat

27、ching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not available to local arable land ar

28、ea to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation. 3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward under the slogan, the country

29、 started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicken farms also use mechanical sets eggs and manure. According to statistics, fully enclos

30、ed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a difference of 1020. Chinas energy supply i

31、s in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitation is 600 mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the popu

32、lation all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when youans: legacy is something that is old in terms of technology/ system 19.what is main difference hashmap and hastable ans:Hash table is synchronised 20.what is main difference between arraylist and vector. ans:Vector i