Answer Posted / ashish shinkar

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

What about main thread in java?

1060

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Difference between abstract and concrete class ?

1075

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What are the data types supported by java? What is autoboxing and unboxing?

933

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What is equlas() and hashcode() contract in java? Where does it used?

1052

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Give few examples of final classes defined in Java API?

1113

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What is increment in java?

919

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What is connection class in java?

905

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What is static data type in java?

975

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What is final keyword in java? Give an example.

949

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Is finalize() similar to a destructor?

977

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What is formatted output?

897

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What is difference between an object and a class?

1070

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What do you mean by of string::valueof expression in java 8?

903

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What is the final keyword denotes?

1052

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What is hashing principle in java?

969

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