What is java’s garbage collected heap?

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Who is founder of java?

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What is a class ?

8 Answers  

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How do you use equal in java?

0 Answers  

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AWT event listeners extends what interface?

1 Answers  

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How can a gui component handle its own events?

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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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Why string is immutable with example?

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Features of Java?

4 Answers  

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What is string args [] in java?

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i need example for java abstraction. where we use abstraction and why we need abstraction.

2 Answers   Oracle,

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can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}

4 Answers  

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