Answer Posted / stranger_ajnabi53@yahoo.c

they are
1.polymorphism
2.abstraction
3.inheritance
4.encapsulation

Can we cast any other type to boolean type with type casting?

899

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Can list be final in java?

876

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What does those terms actually mean included in the j.d.k i.6?

2080

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Is class is a data type?

1032

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Differences between traditional programming language and object oriented programming language?

1073

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Can we serialize static variables in java?

1052

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What is double checked locking in singleton?

1011

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What is package private scope in java?

890

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How many functional interfaces does java 8 have?

984

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Explain the importance of throwable class and its methods?

1000

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What does the exclamation mark mean in java?

1181

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what is session in java?

1190

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What is Gang of four design patterns

995

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Is stringwriter thread safe?

944

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Difference between ‘>>’ and ‘>>>’ operators in java?

1086

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