Answer Posted / rajesh manem

cloneable(),comparable(),Runnable(),Readable().....

Wha is the output from system.out.println(“hello”+null); ?

1084

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What is the difference between stringbuffer and stringbuilder?

981

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Explain hashset and its features?

1078

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How do you make an arraylist empty in java?

885

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How many types of constructors are used in java?

1088

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What are nested classes in java?

1036

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How to write custom exception in java?

1009

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What is meant by class loader? How many types are there?

1174

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What are synchronized methods and synchronized statements in java programming?

965

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What is final keyword in java?

968

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What is the name of the java compiler?

1002

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What is a method in programming?

1121

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Difference between error and exception

5896

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Write a java program to count the number of words present in a string?

935

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Why 1 is not a prime number?

978

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