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View Compilation Error

0_0_2222361_17956\Main.java:1: 需要为 class、interface 或 enum
 public static int executeUpdate(String sql) throws SQLException {
               ^
0_0_2222361_17956\Main.java:3: 需要为 class、interface 或 enum
  getConnenction();
  ^
0_0_2222361_17956\Main.java:4: 需要为 class、interface 或 enum
  stmt = conn.createStatement();
  ^
0_0_2222361_17956\Main.java:5: 需要为 class、interface 或 enum
  return rscount;
  ^
0_0_2222361_17956\Main.java:6: 需要为 class、interface 或 enum
 }


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