Inner class means one class which is a member of another class. There are basically four types of inner...
Inner class means one class which is a member of another class. There are basically four types of inner...
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In Java, it is possible to define a class within another class, such classes are known as nested classes....
In Java, it is possible to define a class within another class, such classes are known as nested classes....
We can declare interfaces as member of a class or another interface. Such an interface is called as member...
We can declare interfaces as member of a class or another interface. Such an interface is called as member...
There is a rule that every member of interface is only and only public whether you define or not....
There is a rule that every member of interface is only and only public whether you define or not....
A comparator interface is used to order the objects of user-defined classes. A comparator object is capable of comparing...
A comparator interface is used to order the objects of user-defined classes. A comparator object is capable of comparing...
Abstraction: Hiding the internal implementation of the feature and only showing the functionality to the users. i.e. what it...
Abstraction: Hiding the internal implementation of the feature and only showing the functionality to the users. i.e. what it...
In C++, if a class has at least one pure virtual function, then the class becomes abstract. Unlike C++,...
In C++, if a class has at least one pure virtual function, then the class becomes abstract. Unlike C++,...
In Java, methods and data members of a class/interface can have one of the following four access specifiers. The...
In Java, methods and data members of a class/interface can have one of the following four access specifiers. The...
In Java, all methods in an interface are public even if we do not specify public with method names....
In Java, all methods in an interface are public even if we do not specify public with method names....
Like a class, an interface can have methods and variables, but the methods declared in an interface are by...
Like a class, an interface can have methods and variables, but the methods declared in an interface are by...