回答：package com;

import java.util.Scanner;

public class W

{

public static void main(String[] args){

System.out.println("請輸入三邊以逗號隔開");

Scanner sc = new Scanner(System.in);

String location1 = sc.next();

String[] location1s = location1.split(",");

int x1 = Integer.parseInt(location1s[0]);

int y1 = Integer.parseInt(location1s[1]);

int z1 = Integer.parseInt(location1s[2]);

if((x1+y1>z1)&&(x1+z1>y1)&&(y1+z1>x1)){

System.out.println("能構成三角形");

}else{

System.out.println("不能構成三角形");

}

}

}