Answer Posted / p.prakash

object eg:chair
class eg:class class_name
data abstraction eg:to abstract one substance
data encapculation grouping of essintial details
inheritence eg:
polymorphisum
dynamic binding
message communication

Given a singly linked list, how will you print out its contents in the reverse order? Can you do it with consuming any extra space?

999

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What is array length in java?

973

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How does varargs work in java?

1110

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What is the difference between public, private, protected, and friend access?

1056

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Can you use this() and super() both in a constructor?

993

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What is the hashcode () and equals () used for?

1050

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What is immutability in java?

1102

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What is default size of arraylist in java?

1170

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Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

8123

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What is a ternary operator in java? What is an interface?

1007

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Why collection doesn’t extend cloneable and serializable interfaces?

1115

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how does multithreading take place on a computer with a single cpu? : Java thread

1163

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what is heap memory?

1110

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Why do we need singleton class?

1013

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What is the difference between size and length in java?

986

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