Explain polymorphism citing an example.
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How do you sort data in java?
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What is the main purpose of serialization in java?
There is a Banking application. It has 2 types of account, Savings and Current. Write a method calculateInterest by passing an ArrayList of these account objects and calculate Interest accordingly. Write code for this situation
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Explain the difference between treeset and treemap in java?
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________ exception must be either caught or specified in throws class of the method.
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