Answer Posted / radhika

They are/::::
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1.classes
2.objects
3.inheritance
4.polymorphism
5.abstraction
6.encapsulation
7.interfaces

when should you use stringbuilder class in a program?

607

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Tell me about different OOPS concepts.

684

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What is tree in java?

584

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Is java util regex pattern thread safe?

623

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What is the purpose of garbage collection in java, and when is it used?

669

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Are floats faster than doubles?

662

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What are different access specifiers in java?

651

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Can interface be private in java?

635

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What does it mean to flush a file?

667

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What is main in java?

621

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Can an interface have a class?

658

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What is preflight request?

616

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What is difference between final and immutable?

655

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How do you create immutable object in java?

627

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

647

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