JAVA 3주차

1. box.classpublic class box { private int length, width, height; public void setLength(int p){length = p;} public void setWidth(int p){width = p;} public void setHeight(int p){height = p;} public int displayVolume() {System.out.println(length*width*height); return (length*width*height);} }boxtester.classpublic class boxtester { /** * @param args */ public static void main(String[] args) { box b1 = new box(); box b2 = new box(); b1.setLength(1); b1.setWidth(2); b1.setHeight(3); b1.displayVolume(); b2.setLength(2); b2.setWidth(2); b2.setHeight(2); b2.displayVolume(); }}2.