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Argument Constructor
What is "no argument constructor " in Java?
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Nested and Inner Classes
What is the need of nested and inner classes in Java? Explain where they are useful?
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Java Collection
What is the default capacity and load factor in Java Collection? Explain its role.
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What are wrapped classes
Wrapped classes are classes that allow primitive types to be accessed as objects.
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Java Virtual Functions
How to achieve Virtual Functions in Java?
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Event Adapters
What are event adapters & How they are used?
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Multiple Inheritance
Why multiple inheritance is not applied in Java?
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Does garbage collection guarantee that a program will not run out of memory
Garbage collection does not guarantee that a program will not run out of memory. It ispossible for programs to use up memory resources faster than they are garbage collected.It is also possible for programs to create objects that are not subject to garbage collection
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Reference Variable Size
What is the size of reference variable?
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Run Time Exceptions
What do exception mean in java ? what type of run time exceptions?
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To what value is a variable of the String type automatically initialized
The default value of an String type is null.
Java Interview Questions
Ans