public class ND {
double width, height;
double area, zhou;
ND(double x) {
width = x;
height = x;
}
ND(double w, double hei) {
width = w;
height = hei;
}
public double zhouND() {
zhou = (width + height) * 2;
return zhou;
}
public double areaND() {
area = width * height;
return area;
}
public static void main(String[] args) {
double c, s;
ND ND1 = new ND(11, 34);
ND ND2 = new ND(18);
c = ND1.zhouND();
s = ND2.areaND();
System.out.println("周长是:" + c);
System.out.println("面积是:" + s);
System.out.println("44 杨云舒");
}
}