Answer Posted / ramanareddy333

strings are immutable where as string buffer is a
mutable,that means strings having the fixed size and string
buffer size is varied(growable).

Explain the concept of hashtables?

1140

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What is volatile keyword in java

1124

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What are the concepts of 'OOPS'?

1074

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Objects or references which of them gets garbage collected?

968

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Explain the usage of this with constructors?

1028

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Tell me about different OOPS concepts.

1002

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What happens when I use / and % with a negative numerator?

1043

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Does constructor creates the object ?

1037

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Is class forname reflection?

990

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

931

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Is space a char?

927

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Can we extend singleton class in java?

964

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How can constructor chaining be done by using the super keyword?

1094

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Explain the difference between protected and default access.

997

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Can a private method of a superclass be declared within a subclass?

1039

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