What is the use of arraylist in java?


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More Core Java Interview Questions

Can a static class have a constructor?

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Can you explain the meaning of aggregation and composition

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How hashset works internally in java?

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whatis Home interface and Remoteinterface? with example?

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why HashTable not allow null key and value

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What is use of arraylist in java?

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How many arguments can be passed to main ()?

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Does google use java?

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What is an object in java and how is it created?

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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

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What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?

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