import java.awt.Rectangle; /** This example demonstrates accessors and mutators. */ public class AccessorMutatorDemo { public static void main(String[] args) { Rectangle box = new Rectangle(5, 10, 20, 30); System.out.print("box: "); System.out.println(box); // getWidth is an accessor method double width = box.getWidth(); System.out.print("width: "); System.out.println(width); // Calling an accessor doesn't change the object System.out.print("box: "); System.out.println(box); // translate is a mutator method box.translate(15, 25); // Calling a mutator changes the object. System.out.print("box: "); System.out.println(box); } }