Answer Posted / ramesh

ArrayList arr_obj=new ArrayList()
arr_obj.add("viki");
arr_obj.add("siva");

Object[] obj=arr_obj.toArray();

Can a java program have 2 main methods?

1044

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Is char a method in java?

1055

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What is jit compiler ?

974

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What do you understand by the term string pool?

996

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

1069

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Does string is thread-safe in java?

1078

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Difference between comparator and comparable in java?

1083

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Explain heap sort?

1102

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Does collectionutils isempty check for null?

1410

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What happens if we don’t override run method ?

998

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When can you say a graph to be a tree?

1079

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What is the final class?

1046

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How the interruptible method gets implemented?

969

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Lowest Common ancestor in a Binary Search Tree and Binary Tree.

926

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Is a method a procedure?

1046

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