Answer / Navneet Kumar

In Java, there are no destructors like in C++. Instead, the cleanup of objects happens automatically through garbage collection when they are no longer needed.

What is a superclass?

1 Answers  

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What is meant by Static query and Dynamic query?

2 Answers  

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Can we overload run() method in java?

1 Answers  

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Explain, java is compatible with all servers but not all browsers?

1 Answers  

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what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent

1 Answers  

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what is the use of StringBuffer?

2 Answers   Accenture,

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What is an escape character in java?

1 Answers  

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What is core java used for?

1 Answers  

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What are the 7 types of characters?

1 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 does abstract modifier work?

1 Answers   Wipro,

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i would like to attend for an interview of datalab technologies company i want to know the pattern of imnterview.

0 Answers  

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