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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When should I use abstract classes and when should I use interfaces?

2 Answers  

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Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

0 Answers  

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How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?

1 Answers   Huawei,

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How does remove work in java?

0 Answers  

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Can we iterate through collection using for loop?

2 Answers   Rolta,

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Garbage collection in java?

0 Answers  

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Can keyword be used as identifier?

0 Answers  

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How do you sort in java?

0 Answers  

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How do you reverse a string in java without using string buffer?

0 Answers  

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What is unicode with example?

0 Answers  

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how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)

0 Answers   Infosys, TCS,

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