Answer Posted / sunil

Hash map is unsyncronised and hash table is syncronised

How use .contains in java?

1160

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What is double parsedouble in java?

1019

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What are the parts of a method?

963

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which class is the wait() method defined in? : Java thread

934

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Is java util list serializable?

915

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What about instanceof operator in java?

1001

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Is array synchronized in java?

1025

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how we can make a read-only class in java?

975

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Why is it called a string?

990

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What is widening and narrowing in java? Discuss with an example.

1030

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why are wait(), notify() and notifyall() methods defined in the object class? : Java thread

970

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What is oop principle in java?

1122

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What is extension method in java?

1021

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What is the purpose of declaring a variable as final?

953

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What is finalize()? Is finalize() similar to a destructor?

954

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