Can java list contain duplicates?

0 Answers  

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what is the replacement for GOTO in java?

2 Answers   CTS,

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What is meant by design patterns?

0 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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What does || mean in code?

0 Answers  

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What is better- service oriented or batch oriented solutions?

0 Answers   Amdocs,

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When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?

0 Answers  

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What is float in java?

0 Answers  

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What is file in java?

0 Answers  

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what is an anonymous class?

6 Answers   TCS,

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Does java have extension methods?

0 Answers  

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Write a program to reverse a number in java?

0 Answers  

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