What Is Pointer?

4 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 is JVM ?

4 Answers   Phantom Technologies, TCS,

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What is ‘has a’’ relationship in java?

0 Answers  

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What are the operands of instanceof operator?

3 Answers  

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What are parsers? Dom vs sax parser.

0 Answers  

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What is core java called?

0 Answers  

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Explain constructors and types of constructors in java.

0 Answers  

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Are arrays static in java?

0 Answers  

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A class can be a subclass of itself?

2 Answers   Genesis,

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What is dot operator?

0 Answers  

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C and C++ has constructors and distructors, why does Java does not have distructors?

1 Answers   T3 Softwares,

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