What are the methods of object class ?

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What is a Wrapper class?

14 Answers  

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What is better - 'bit-shift a value' or 'multiply by 2'?

0 Answers   DELL,

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What is meant by nested loop?

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How to call one constructor from the other constructor ?

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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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What is the point of java?

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what is diffrence between .NET and java?

2 Answers  

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If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great

2 Answers   KPIT,

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How to reverse a string in java?

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How to sort an unsorted array in java?

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What is thread pool? How can we create thread pool in java?

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