Answer Posted / manikandan [ gtec,vellore ]

hash code is unique for each and every object.this like a
index or a address to identify a object.

Can we have multiple public classes in a java source file?

1114

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What is the purpose of the wait(), notify(), and notifyall() methods in java programming?

1013

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Is the milky way in a void?

925

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Is arraylist an object in java?

1068

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How do you start a new line in java?

932

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Explain the transient field modifier?

976

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When do we use synchronized methods in java?

998

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What are 3 data types?

932

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What are the methods used to implement for the key object in the hash map?

992

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what are the states associated in the thread? : Java thread

1003

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What is variable declaration and definition?

971

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Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

1004

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Explain the difference between protected and default access.

960

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What is a finally block? Is there a case when finally will not execute?

1007

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What is the use of optional ?

991

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