[LintCode]Rectangle Area(Java)__java

public class Rectangle {    /*     * Define two public attributes width and height of type int.     */    // write your code here    private int width;    private int height;    /*     * Define a constructor which expects two parameters width and height here.     */    // write your code here    public Rectangle(int w, int h){        super();        width = w;        height = h;    }    /*     * Define a public method `getArea` which can calculate the area of the     * rectangle and return.     */    // write your code here    public int getArea(){        return width * height;    }}