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View Compilation Error

0_0_39870361_6685\Main.java:6: 错误: 找不到符号
        int a = scan.nextInt();
                ^
  符号:   变量 scan
  位置: 类 Main
0_0_39870361_6685\Main.java:7: 错误: 找不到符号
        int b = scan.nextInt();
                ^
  符号:   变量 scan
  位置: 类 Main
0_0_39870361_6685\Main.java:10: 错误: 找不到符号
        scan.close();
        ^
  符号:   变量 scan
  位置: 类 Main
3 个错误


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