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Interface in Java
INTERFACE Interface can be used to fully abstract a class’ interface from its implementation. With interface we can specify what a class...
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Package in java
PACKAGE Java provides a mechanism for partitioning the class name space into more manageable chance . This mechanism is called package ....
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Abstract class and Object class in Java
ABSTRACT CLASS and OBJECT CLASS There a situation in which we will want to define a super class that declares the structure of a given ab...
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Constructor chaining and Method overriding
Constructor chaining When a class hierarchy is created constructors complete their execution in order of derivation form super class to s...
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Variable length(vararg) and Ambiguity in vararg
variable length The feature that allows creation of a method that need to take variable number of arguments is called varargs and it i...
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static, super and final keyword in OOP
STATIC KEYWORD There will be times when we will want to define a class member that will be used independently of any object of that clas...
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Limitations of finalize method
FINALIZE METHOD Finalize( ) Method Sometimes an object will need to perform some action when it is destroyed. For example, if an object...
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constructor , variable hiding and garbage collection in java
Constructor , Variable hiding and Garbage collection in Java Constructor It is tedious to initialize all of the variables in a class...
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