王彥甯

1. import java.util.Scanner;
   
2. 
   
3. public class JPA01 {
   
4.     public static void main(String args[]){
   
5.     Scanner scanner = new Scanner(System.in);
   
6.     System.out.print("輸入第一組X和Y座標:");
   
7.     float x1 = scanner.nextFloat();
   
8.     float y1 = scanner.nextFloat();
   
9.     System.out.print("輸入第二組X和Y座標:");
   
10.     float x2 = scanner.nextFloat();
    
11.     float y2 = scanner.nextFloat();
    
12.     float result = (float)(Math.pow(x2-x1, 2)+Math.pow(y2-y1, 2));
    
13.     float distance = (float) Math.sqrt(result);
    
14.     System.out.printf("介於(%.2f , %.2f)和(%.2f , %.2f)之間的距離是%.2f",x1,y1,x2,y2,distance);
    
15.     }
    
16. }

複製代碼