求两点之间的距离
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);
}
}