Constructors are special methods named after the class and without a return type, and are used to construct objects. Constructors, like methods, can take input parameters. Constructors are used to initialize objects. Abstract classes can have constructors also.
Constructors are different from methods:
Types of constructor :
//Constructor in Java class RectangleShape { int length, width; public RectangleShape() { System.out.println("Constructor Called"); length=2; width=10; } int area() { int a = length * width; return a; } } public class constructor { public static void main(String args[]) { RectangleShape o1 = new RectangleShape(); System.out.println("Area of Rectangle : " + o1.area()); } }
Constructor Called Area of Rectangle : 20To download raw file Click Here
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