Answer Posted / bal

Method overriding is run time poly

Write a program to reverse array in place?

1116

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What is hashmap in java?

1111

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What is the difference between a scrollbar and a scrollpane?

1110

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Why collection is called framework in java?

1043

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What is variable declaration and definition?

1063

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What are some alternatives to inheritance?

1167

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Under what conditions is an object’s finalize() method invoked by the garbage collector?

1106

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what are three ways in which a thread can enter the waiting state? : Java thread

1075

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Describe 2 different ways to concatenate two strings.

1265

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What are different access specifiers in java?

1061

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Give reasons supporting that string is immutable.

999

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What is difference between public static and void?

1079

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What do you understand by abstract classes?

1136

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What are the types of web technologies?

1085

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What is the difference between instanceof and isinstance?

1130

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