import java.util.*;public class ooo{? ?public static void main(String[] args){? Scanner fee=new Scanner(System.in); System.out.println("請在1,2,3這三個數(shù)字任選一個"); System.out.println("請輸入數(shù)字："); int a =fee.nextInt(); swith(a);{ case 1: System.out.println("你出的是石頭");? break; case 2: System.out.println("你出的是剪刀"); break; case 3: System.out.println("你出的是布"); break; default: System.out.println("請輸入正確數(shù)字"); } ? }}/*編譯時出現(xiàn)ooo.java:10:?單個?case：???case?1： ???????????????????????????????????????^ ??????????????????????1錯誤*/