Answer Posted / sahaj

polymorphism is the ability to use an operator or function
in different ways.

What is static import in java?

525

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Write a program to find the whether a number is an Armstrong number or not?

571

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Can static methods be inherited?

531

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How use .contains in java?

614

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What is java used for on a computer?

505

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What is the use of a copy constructor?

570

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Difference between string, stringbuffer and stringbuilder?

562

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Can a source file contain more than one class declaration?

508

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What is a constructor, constructor overloading in java?

522

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What will be the default values of all the elements of an array defined as an instance variable?

544

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What are streams in java 8?

546

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Explain the purpose of garbage collection in Java?

566

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What is executor memory?

511

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Is there a way to increase the size of an array after its declaration?

597

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What is callable java?

548

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