class Rectangle
    int length;
    int width;
    BufferedReader br;

public void readAttributes() throws IOException //reading length and width { System.out.println("Enter the dimensions of the rectangle."); br=new BufferedReader(new InputStreamReader(; System.out.print("Enter the length:"); length=Integer.parseInt(br.readLine()); System.out.print("Enter the width:"); width=Integer.parseInt(br.readLine()); } public void getArea() //calculating area { System.out.println("Area of rectangle is: "+ (length*width)); } public void getPerimeter() //calculating perimeter { System.out.println("Perimeter of rectangle is: "+ 2*(length+width)); } public static void main(String args[]) throws IOException //main method { Rectangle r=new Rectangle(); //object for the class r.readAttributes(); //calling three methods r.getArea(); r.getPerimeter(); } }


Enter the dimensions of the rectangle.
Enter the length:10
Enter the width:20
Area of rectangle is: 200
Perimeter of rectangle is: 60