What are the various access specifiers for java classes?

1062

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Can we call the constructor of a class more than once for an object?

1096

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Is string a data type in java?

1028

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I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

1101

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Can we have two methods in a class with the same name?

1054

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In the below example, what will be the output?

1031

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What is the default access specifier for variables and methods of a class?

1207

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What are the two ways of implementing multi-threading in java?

1513

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What's the difference between comparison done by equals method and == operator?

974

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How infinite loop is declared?

1024

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What is default switch case? Give example.

1009

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What is the difference between double and float variables in java?

1158

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How are destructors defined in java?

1038

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In the below example, how many string objects are created?

1047

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What is ternary operator?

1010

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