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View Compilation Error

0_0_38890735_29157\Main.java:1: 错误: 需要class, interface或enum
 public static void main(String[] args) {
               ^
0_0_38890735_29157\Main.java:3: 错误: 需要class, interface或enum
            int c = scanner.nextInt();
            ^
0_0_38890735_29157\Main.java:4: 错误: 需要class, interface或enum
        while(scanner.hasNext()){
        ^
0_0_38890735_29157\Main.java:6: 错误: 需要class, interface或enum
            int b = scanner.nextInt();
            ^
0_0_38890735_29157\Main.java:7: 错误: 需要class, interface或enum
            int ans = a + b;
            ^
0_0_38890735_29157\Main.java:8: 错误: 需要class, interface或enum
            System.out.println(ans);
            ^
0_0_38890735_29157\Main.java:9: 错误: 需要class, interface或enum
        }
        ^
7 个错误


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