Cofeeinpot

File operations in c

Files are the foremost visible and therefore the most precious feature of any computing system to its users. Files provide a mechanism fo...

void swap(int x,int y) { x=x+y; y=x-y; x=x-y; }

Garbage collection automatic process and can't be forced. You could request it by calling System.gc(). JVM does not guarantee that GC...

Definition:- A class containing abstract method is called Abstract class. An Abstract class can't be instantiated. Examp...

--> Abstract class is a class which contain one or more abstract methods, which has to be implemented by sub classes. Interfa...

--> These keywords are for allowing privileges to components such as java methods and variables. Public: accessible to all cla...

Inheritance is the process by which one object acquires the properties of another object. This shows the hierarchical classificati...