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View Compilation Error

0_0_7856316_14705\Main.java:1: 需要为 class、interface 或 enum
    public static void main(String[] args) {
                  ^
0_0_7856316_14705\Main.java:3: 需要为 class、interface 或 enum
        int a;
        ^
0_0_7856316_14705\Main.java:4: 需要为 class、interface 或 enum
        int b;
        ^
0_0_7856316_14705\Main.java:5: 需要为 class、interface 或 enum
        while (true) {
        ^
0_0_7856316_14705\Main.java:7: 需要为 class、interface 或 enum
            b = s.nextInt();
            ^
0_0_7856316_14705\Main.java:8: 需要为 class、interface 或 enum
            System.out.println(a + b);
            ^
0_0_7856316_14705\Main.java:9: 需要为 class、interface 或 enum
        }
        ^
7 错误


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