Answer Posted / ashish shinkar

there are 4 access specifier in java
1: private
2: default
3: protected
4: public

What is a layout manager and what are different types of layout managers available in java awt?

946

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Is string a class in java?

721

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Explain polymorphism citing an example.

804

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Objects or references which of them gets garbage collected?

720

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How can we make a class virtual?

821

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What are new features introduced with java 8 ?

737

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What is high level language in computer?

752

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Why for each loop is used?

742

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What is the difference between hashmap and hashtable? What is an interface?

778

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What is composition in java?

945

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What is default constructors?

725

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Is static a singleton?

737

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I want my class to be developed in such a way that no other class (even derived class) can create its objects. Define how can I do so?

901

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Is set sorted in java?

700

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What is the difference between multitasking and multithreading in Java

961

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