TQC+ JAVA

JPA01.java

import java.util.Scanner;

public class JPA01 {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		System.out.print("輸入第1 組x和y座標：");
		int x1 = input.nextInt();
		int y1 = input.nextInt();
		System.out.print("輸入第2 組x和y座標：");
		int x2 = input.nextInt();
		int y2 = input.nextInt();
		double res = Math.pow(Math.abs(x2 - x1), 2) + Math.pow(Math.abs(y2 - y1), 2);
		res = Math.sqrt(res);
		System.out.printf("介於(%d,%d)和(%d,%d)之間的距離是%.2f\r\n", x1, y1, x2, y2, res);
	}
}