import java.util.Scanner;
public class TestObject { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); System.out.println("请输入第一个坐标点："); int x1 = in.nextInt(); int y1 = in.nextInt(); System.out.println("请输入第二个坐标点："); int x2 = in.nextInt(); int y2 = in.nextInt(); int distance = (int) Math.sqrt(Math.abs((x1 - x2)*(x1 - x2))+Math.abs((y1 - y2)*(y1 - y2))); System.out.println("两点间距离是："+distance); }}原文：http://www.cnblogs.com/zhuli-1/p/7542378.html