16.Arrays in Java
Arrays In Java These are collection of similar types of data types having a contiguous (adjacent) memory location. Advantages o...
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Showing posts with label OOPs. Show all posts
Showing posts with label OOPs. Show all posts
15.Nested class in Java
Nested Classes In Java A nested class is a class which is defined within a class or interface. Nested class is divided in four cat...
14.Package in Java
Package In Java A package in Java is a collection of similar type of classes and interfaces. These are similar to headers file in C ...
13.final keyword in Java
final Keyword In Java final is a keyword in Java used for many purposes. One main use of final keyword is to make the variables as constant...
12.Upcasting and downcasting in Java
Upcasting in Java The Reference ID of a child class object can be put into the reference variable of parent class. But vice versa is not tr...
11.Abstraction in Java
Abstraction In Java Abstraction is an OOPs concept which is used to hide implementation details, show functionality and hide complexity....
10.Function/Method overriding in Java
Method Overriding in Java/Function overriding in Java Whenever a parent class and a child class, both are having a same function and the ch...
9.Inheritance in Java
Inheritance In Java To acquire properties and behaviour of objects of one class by another class is known as inheritance. The class who in...
8.Instance initialization block in Java
Instance initialization block In Java Instance initialization block in Java is the only block of Java which do not have any name. whenever...
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