What is object data type?

0 Answers  

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Can we use different return types for methods when overridden?

0 Answers  

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What is the importance of hashcode() and equals() methods?

0 Answers  

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List some oops concepts in java?

0 Answers  

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In C we use only compiler. Why java uses both compiler and interpreter? What is its significance?

5 Answers  

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java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

7 Answers   HCL, Wipro,

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Hi Friends, I am new to java. Can u explain about thread concept.How i know one thread is locked, and how can i force or acquire another thread for lock . Finally how to know thread is released from lock. Explain types of lock(like method level and block level) in thread.

1 Answers  

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How do you escape a string?

0 Answers  

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What is the new line character?

0 Answers  

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How do you change an int to a string?

0 Answers  

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What is race condition ?? (Threading concept) TCS 2 sept10

3 Answers   SparkTG, TCS,

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Difference between interface and abstract class with ex.

4 Answers   Cognizant, Tech Mahindra,

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