Creating multiple objects by one type only

Java Programming Language Class, Object and Methods in java (Article) Class, Object and Methods in java (Program)

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Program:

 // Save it as File name : RectangleClassExample2.java
// Creating multiple objects by one type only

class Rectangle{
 int length;
 int width;
 void insert(int l,int w){
  length=l;
  width=w;
 }
 void calculateArea()
     {
	  System.out.println(length*width);
     }
}
class RectangleClassExample2{
 public static void main(String args[]){
  Rectangle r1=new Rectangle(),r2=new Rectangle();//creating two objects
  r1.insert(20,4);
  r2.insert(4,25);
  r1.calculateArea();
  r2.calculateArea();
}
}

/*
Initialization of refernce variables:

Rectangle r1=new Rectangle(), r2=new Rectangle();//creating two objects
*/

Output:

80
100
Press any key to continue . . .

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