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Super In Java

Super In Java

Super In Java : Every object contains the instance variables of its class. What isn't so obvious is that every...
Type Of Relationships In Java

Type Of Relationships In Java

Type Of Relationships In Java : Based on reusing the data members from one class to another class.Is-a relationshipHas-a relationshipUses-a relationship
Interface In Java

Interface In Java

Interface In Java : Difference between interface and abstract class : An abstract class when there are some common...
Method Override In Java

Method override in java

Method Overriding In Java : When a method in subclass same name and same type signature as method in super class then this...
Inheritance In Java

Inheritance In Java

Inheritance In Java : Inheritance Inheritance means which one object acquires all the properties and behaviors of a parent object....
Abstract Class In Java

Abstract Class In Java

Abstract Class In Java : A class which is declared with the abstract keyword is known as an abstract class in Java. It...
Wrapper Class In Java

Wrapper Class In Java

Wrapper Class In Java : Wrapper classes can be used to achieve polymorphism. It is allows primitive data types to be accessed as...
Vector In Java

Vector In Java

Vector In Java : java.util package. Vector class implements a growable array of objects.Accessed using an integer index.Vector is synchronized.The vector contains many...
Map In Java

Map In Java

Map In Java : java.util.Map interface represents a mapping between a key and a value.Is not a subtype of the Collection interface.Map contain...
ArrayList In Java

ArrayList In Java

ArrayList In Java : Context 1) ArrayList in java? 2) Dynamic array in java? 3) Why ArrayList...