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Questions in Theory of Java

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PostSubject: Questions in Theory of Java Sun Dec 16, 2012 2:08 am

Q1)What is a wrapper class ?Give example.
Q2)What is purpose of new operator
Q3)Differentiate between compareTo() & equals() method.
Q4)char chars[]={'a','b','c'};
String s1=new String(chars)
What is stored in s1?
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