Answer Posted / rajender

i agree with 3,4,5,6,7 answers .hashmap is not syncronized

What is the benefit of using enum to declare a constant?

1173

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What are the types of collections in java?

1118

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What is the purpose of a volatile variable?

1106

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Explain when we should make an instance variable private.

1198

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What is the format specifier?

995

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Why volatile is used in java?

1147

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What is the purpose of extern variable?

1059

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What is the final field modifier?

1034

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What function extracts specified characters from a string?

1060

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Is void a data type?

998

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Explain about static nested classes in java?

1112

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What is public static void main?

1153

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Define the term string pool?

1064

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What is string [] java?

1008

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How will you communicate between two applets?

1216

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