Answer Posted / paras

Class.forName("")loads that class in memory ,to create
instance we have to use newInstance()

string _path="classpath loc of class XYZ ex com.aa.ss.XYZ";

Object ob=Class.forName(_path).newInstance();;
((XYZ)ob).any_method_of_XYZ();

What do you mean by constant time complexity?

1235

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Is string pool garbage collected?

1012

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Can a constructor have different name than a class name in java?

1186

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Can a top level class be private or protected?

1053

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Is main a keyword in java?

971

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Can a constructor be private and how are this() and super() method used with constructor?

996

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How do you use spaces in java?

990

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Is boolean a wrapper class in java?

1055

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Describe different states of a thread.

998

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Give me example of derived data types.

1145

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Explain listiterator and methods in listiterator?

1013

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What are user defined exceptions?

1038

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How to add menushortcut to menu item?

998

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What is the difference in between cpp and java? Can u explain in detail?

1091

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What are the advantages and disadvantages of reference counting in garbage collection?

1025

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