Explain the advantages of packages in java?

0 Answers  

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what is difference between prepare stetement and callable starement with example?

1 Answers   CMC,

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What is emant by API? is it related to java only or it is common for all OOPS supporting language?

3 Answers  

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In the first round, there are 30 aptitude and 30 java questions. We are suppose to finish both the papers within 60 minutes. I cleared this round. Next was test for programming skills. In this section, Some 7 n's were asked. 1. What is the difference b/w sleep(1000) and wait(1000) 2. what is the diff b/w static block and static function? 3. Write a program to validate IP address using string tokenizer. 4. Write a program to create singleton class 5. write a function to reverse the string 6. Write a prog to print prime nos upto n. EX: If n=9, It shld print 1,2,3,5,7 7. One program on collections- Write a program to print no. of times a number is repeating in an array. EX- {1,3,1,2,5,7,3,7,34,3,8,3} It should print: 1- 2 times 3- 4 times and so on 7. Write a func to print fibonocci series After this I had technical interview, which went on for. 60 mins or so. There were qn's about multi threading, Exception handling and collection classes. Knowledge about collections was very important for the post I was interviewed for.

1 Answers   Huawei,

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How to add and remove nodes in Jtree?

1 Answers  

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What is the difference between menuitem and checkboxmenu item?

0 Answers  

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What is type conversion in java?

0 Answers  

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What is mutable object and immutable object?

0 Answers  

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10. class Nav{ 11. public enum Direction { NORTH, SOUTH, EAST, WEST } 12. } 13. public class Sprite{ 14. // insert code here 15. } Which code, inserted at line 14, allows the Sprite class to compile? a)Direction d = NORTH; b)Nav.Direction d = NORTH; c)Direction d = Direction.NORTH; d)Nav.Direction d = Nav.Direction.NORTH;

2 Answers  

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What is the difference between serial and throughput garbage collector?

0 Answers  

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Why can't we make jsp as a controller and action servlet in struts?

8 Answers   TCS, Wipro,

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Can a lock be acquired on a class in java programming?

0 Answers  

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