Answer Posted / nagarjuna j

1.Generics
2.autoBoxing/unBoxing,
3.varargs,
4.type_safe enums,
5.static imports

Can we have this () and super () together?

1100

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Define an applet in java?

1233

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Does java list allow null?

1041

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What is jit compiler ?

1039

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How would you convert bytes to string?

1054

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What is meant by data hiding/encapsulation?

1159

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Implement 2 stacks with just 1 array. The stack routines must not indicate overflow unless every slot in array is used.

1375

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What is the purpose of void class?

1111

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4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (

1926

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When should a function throw an exception?

1106

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How many times finalize method will be invoked? Who invokes finalize() method in java?

1073

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Can we convert list to set in java?

1053

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Can a class be private or protected in java?

1113

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Is there any way to skip finally block of exception even if some exception occurs in the exception block?

1118

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Why string is immutable or final in java

1141

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