Answer Posted / jyotisubhra ghosh

I am sorry...HashMap is not syncronised. Its not thread
safe..rather Hashtable is syncronised...

What is static class

1112

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What are the differences between abstract class and interface?

1082

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What are the main differences between the java platform and other platforms?

1056

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Can java arraylist hold different types?

1070

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Explain the use of shift operator in java. Can you give some examples?

976

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Which is illegal identifier in java?

1087

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What is a conditional statement explain with example?

1014

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What is fail fast in java?

1161

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What does exp mean in math?

988

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What is the difference between jvm and jre? What is an interface?

1097

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What does flagged out mean?

1059

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What is difference between string and stringbuffer?

1099

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What is navigable map in java?

984

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Is upper case in java?

958

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Distinguish between a predicate and a function?

985

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