Answer Posted / sakthi k

Encapsulation
Wrapping up of data and member function
together. Eg: Capsule is the good example for encapsulation.

Polymorphism
Ability of an object to take more than one form.
Poly-Many, Mor-Shape. For Eg: Anniyan film .

Compile time polymorphism otherwise known as
Static polymorphism.

Runtime polymorphism otherwise known as Dynamic
polymorphism.

Abstraction:

Represents the information without including the
background details.

For Eg: ATM Machine . .It provides the results
without including the background transaction.

Inheritance:

The process of acquiring base class property is
known as Inheritance.
Types
*Single inheritance
*Multiple inheritance
*Multi level inheritance: Eg:grand father-
father-son relationship.
*Hierachical inheritance
*Hybrid inheritance
Object:

Real time entity(attributes). Collection of its
own property.
Everything in the world is considered as real
objects.

What class of exceptions are generated by the java run-time system?

1248

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What is difference between Heap and Stack Memory?

1099

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What are recursive functions?

1105

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What purpose do the keywords final, finally, and finalize fulfill?

1148

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What is a treeset class?

1060

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Why is java not 100% pure oops?

1236

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When throws keyword is used?

1044

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What are the new features in java 8?

1070

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What is meant by polymorphism?

1074

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Is boolean a wrapper class in java?

1107

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What is the base class for error and exception?

1038

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Explain the use of javap tool.

1184

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what are the high-level thread states? : Java thread

1071

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What super () does in java?

965

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What are memory tables?

1152

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