What are reference variables in java?

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 is singleton class example?

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What are the differences between Java 1.0 and Java 2.0?

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What is a class instance variable?

0 Answers   Tech Mahindra,

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why should we get the following error ? Exception in main method NoClassDefFoundError:classname could anyone give the detail clarification on how java compiler can look for .class file?

2 Answers  

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Explain wait() method of object class ?

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Is string a data type in java?

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Explain what do you mean by functional overloading in java?

0 Answers   Maveric, Verifone,

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what is the diffrences between platform independent and portable

5 Answers   TCS,

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what is the difference b/w static and final methods?

1 Answers  

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Why does my function print none?

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