Answer Posted / imam basha

Java does not use memory pointers explicitly. All the
programs in java are run under an area known as the sand
box. Security manager
determines the accessibility options of a class like reading
and writing a file to the local disk. Java uses the public
key encryption system to allow the java applications to
transmit over the internet in the secure encrypted form. The
bytecode Verifier checks the classes after loading.

Explain super keyword in java.

1034

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What is the default value of an object reference declared as an instance variable?

1122

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Can inner class be public in java?

1015

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What is the public field modifier?

1025

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How do you use compareto?

948

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Why singleton pattern is better than creating singleton class with static instance?

998

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Is ++ operator is thread safe in java?

955

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What does percent mean in java?

1026

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What is the difference between a checked and an unchecked exception?

996

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How does queue work in java?

984

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Is java written in c?

959

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Why method overriding is used?

1095

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What's the purpose of using break in each case of switch statement?

983

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Can we use String with switch case?

1187

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How does multithreading take place on a computer with a single cpu in java programming?

1015

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