What is length in java?

0 Answers  

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What are E and PI?

1 Answers  

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What is the difference between this() and super()?

15 Answers   TCS,

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How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?

3 Answers   IBM,

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Can we inherit the constructor in a Class?please give one example.

9 Answers   iGate,

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suppose in a class there is a code like this: { Set hs=new Hashset(); hs.add(new Emp("kathy",1000)); hs.add(new Emp("kathy",2000)); } how can u avoid the above code in your class as set won't allow duplicate objects?

3 Answers  

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What is the difference between compile-time polymorphism and runtime polymorphism?

0 Answers  

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Give a briefing on the life cycle of a thread.

1 Answers  

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What is the super void?

0 Answers  

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What code optimizations techniques you follow in general practice?

2 Answers   Accenture, TCS, Wipro,

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How can we create a object of a class without using new operator.

1 Answers   Infosys, Nokia,

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What is downcasting?

0 Answers  

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