Why do I need to declare the type of a variable in java?

0 Answers  

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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 "finally" keyword?

10 Answers  

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What is comparator in java?

0 Answers  

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Is java type safe?

0 Answers  

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WAP to illustrate the use of interface

2 Answers  

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Explain the significance of listiterator.

0 Answers  

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Is array size fixed in java?

0 Answers  

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Can we have any other return type than void for main method?

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What is difference between overloading and overriding?

2 Answers   Accenture,

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what is polymorphism?

5 Answers   Zensar,

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Is hashset ordered?

0 Answers  

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