Answer Posted / ravikiran(aptech mumbai)

abstartcion
inheritence
polymorhism
encapsulation

What about abstract classes in java?

1109

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What does split function do in java?

1078

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Can we declare main () method as non static?

1037

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What does percent mean in java?

1077

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Can a class be private in java?

1044

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What is meant by interface?

1105

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Is string an object?

1169

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How do you add an element to a hashset in java?

1062

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How many static init can you have?

1267

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What is the different between get and post?

1017

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4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (

1924

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

1068

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Name and explain the types of ways which are used to pass arguments in any function in java.

1126

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In the below example, what will be the output?

1082

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What data type is a string?

1060

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