why use interface? if interface declear a method implement in class. why direct implement method in class

1 Answers   HCL,

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What is a super class and how super class be called?

3 Answers  

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What is a 16 bit word?

0 Answers  

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There are 100 keys and values in HashMap.how to get the keys and values?

1 Answers   IBS,

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class A { class B { psvm(String args[]) { } } } if the prg saved in A.java whats the o/p?

7 Answers   HCL, TCS,

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Java run-time system generates What class of exceptions?

2 Answers   TCS,

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What is port number in java?

0 Answers  

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what modifiers are used with top-level class?

2 Answers  

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How do you read and print a string in java?

0 Answers  

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What error occurs if a try-catch-finally statement sequence does not have a catch clause?

4 Answers  

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Tell me the Importent classes in net package?

0 Answers  

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What are the traverses in Binary Tree?

2 Answers   Adobe, Infosys,

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