?? mulgirth.java
字號:
interface girth1 {
abstract double girth(double x, double y, double x1, double y1, double x2,
double y2);
}
interface girth2 {
abstract double girth(double x);
}
interface girth3 {
abstract double girth(double h,double l);
}
public class mulgirth implements girth1,girth2,girth3 {
public double girth(double x, double y, double x1, double y1, double x2,
double y2) {
double i = (x - x1) * (x - x1) + (y - y1) * (y - y1);
double j = (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);
double k = (x - x2) * (x - x2) + (y - y2) * (y - y2);
double g = Math.sqrt(i) + Math.sqrt(j) + Math.sqrt(k);
return g;
}
public double girth(double r)
{
return Math.PI*2*r;
}
public double girth(double l, double h) {
return 2 * (h+l);
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -