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View Compilation Error

0_0_4298869_18367\Main.java:7: 需要为 class、interface 或 enum
    public static void main(String[] args) {
                  ^
0_0_4298869_18367\Main.java:9: 需要为 class、interface 或 enum
        Scanner cin=new Scanner(System.in);
        ^
0_0_4298869_18367\Main.java:10: 需要为 class、interface 或 enum
        while(cin.hasNextInt())
        ^
0_0_4298869_18367\Main.java:13: 需要为 class、interface 或 enum
            b=cin.nextInt();
            ^
0_0_4298869_18367\Main.java:14: 需要为 class、interface 或 enum
            System.out.println(a+b);
            ^
0_0_4298869_18367\Main.java:15: 需要为 class、interface 或 enum
        }
        ^
6 错误


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