Can a class extend abstract class or interface? why

4 Answers   Wipro,

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why the wait,notify,notifyall methods are placed in object class?these are the thread concepts why these methods are placed in Object class?

2 Answers   Global Logic, Satyam,

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what is difference between Action messages and Action errors?

3 Answers   Bio Imagene, TCS,

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How many objects are created when we create String class object using new operator?

9 Answers   Mind Tree,

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How to create a thread in java?

0 Answers  

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What are synchronized blocks in java?

0 Answers  

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How to prevent to create multiple objects of a java class?

3 Answers   ASD Lab, TCS,

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Is there any difference between nested classes and inner classes?

0 Answers  

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Are the equals() and hashCode() protected methods of object class?

1 Answers   Avaya,

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why java does compile time polymorphism at run time ?

6 Answers   CTS, TCS,

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Is it possible to create Userdefined Unchecked Exception also?If Yes, give an example?

2 Answers   ADP,

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Can you override private or static method in java?

0 Answers  

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