Answer Posted / moin

is a function used to print the valus in command line

What is the difference between actual and formal parameters?

896

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Name some classes present in java.util.regex package.

983

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what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent

2108

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Why do we need hashset in java?

991

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What do you understand by classes in java?

948

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explain copyonwritearraylist and when do we use copyonwritearraylist?

904

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Why is java so popular?

1056

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How to compare two strings in java program?

1015

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What are static methods?

992

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What is class and its types?

976

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How many bytes is a string in java?

937

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I want to persist data of objects for later use. What’s the best approach to do so?

875

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What is the difference between heap memory and stack memory?

1015

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What is the exact difference in between Unicast and Multicast object?

2044

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How do you generate random numbers in java?

962

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