What is a default constructor and also define copy contrucyor?
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Is age a discrete variable?
Can the interface be final?
What are the drawbacks of reflection?
What is the java idl system?
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?
What is a short in java?
What is ide with example?
Why do we use bufferedreader?
what is request processor?
What is flush buffer?
What is length in java?
What is the use of join method?