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//program to create two functions to calculate area and perimeter of rectangle (length and breadth of rectangle are passed to functions as arguments) class rectangle { public void area(int length,int breadth) { int ar; ar=length*breadth; System.out.println("area of rectangle is " + ar); } public void perimeter(int length,int breadth) { int per; per=2*(length+breadth); System.out.println("perimeter of rectangle is " + per); } } public class rectangleareaperi { public static void main(String[] args) { rectangle ob=new rectangle(); ob.area(10,20); ob.perimeter(10,20); } }