Answer Posted / surender dagar

oOP concepts are mainly 4 parts
such as
1.Abstraction
2.Encapsulation
3.Inheritence
4.Polymorphism

What is string array?

695

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What is the use of runnable interface?

716

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What is a consumer in java?

653

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How do you join strings in java?

622

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Explain the protected field modifier?

697

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What is the difference between applet and application?

623

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What is the super void?

564

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Why char array is preferred over string for storing password?

684

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Which methods cannot be overridden in java?

621

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What is the function of log?

627

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What are the methods of object class ?

655

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Given a singly linked list, how will you print out its contents in the reverse order? Can you do it with consuming any extra space?

693

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How to sort an unsorted array in java?

725

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What does the append?

585

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What is a function argument in java?

609

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