Answer Posted / rushugroup

Run time polymorphism: Bank Account, savings and current
(here, acoount class is the base class, savings and current
account are derived classes, the objects of each are created
at runtime)

Compile time polymorphism: calculating area of square and
rectangle (different classes, square and rectangle have a
function called area() which takes different arguments (for
square only one argument and for rectangle two arguments-) )

What is not object oriented programming?

955

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Why singleton class is used in java?

1143

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Can we overload destructor in java?

1004

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What is bool mean?

1090

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What happens to the Exception object after handling an exception?

2375

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3364

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In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

1060

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What is meant by class loader? How many types are there?

1256

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How to disable caching on back button of the browser?

1088

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Can you use abstract and final both with a method?

1110

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What is arraylist e?

1088

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Why are functions called methods in java?

1009

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Is there any difference between synchronized methods and synchronized statements?

1104

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Why do we use threads in java?

1126

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Java is Pass by Value or Pass by Reference?

1049

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