5,点距
1 //程序员:马相露 2 package demo; 3 import java.util.Scanner; 4 public class Ly { 5 6 public static void main(String[] args) { 7 Scanner input = new Scanner(System.in); 8 9 System.out.print("输入x1和y1:"); 10 double x1 =input.nextDouble(); 11 double y1 =input.nextDouble(); 12 13 System.out.print("输入x2和y2:"); 14 double x2 =input.nextDouble(); 15 double y2 =input.nextDouble(); 16 17 double x =Math.pow((x2 - x1),2); 18 double y =Math.pow((y2 - y1),2); 19 System.out.println("两个点之间的距离是:"+ Math.pow((x+y),0.5)); 20 } 21 }