1. public static class AutoClose implements Closeable{
    3.     // 在 close 和 work 方法中均抛出异常
    4.     public void work() throws IOException {
    5.         System.out.println("work");
    6.         throw new IOException("exception in work");
    7.     }
    9.     @Override
    10.     public void close() {
    11.         System.out.println("close");
    12.         throw new RuntimeException("exception in close");
    13.     }
    14. }
    15. // 传统的资源关闭方法抛出的异常信息，可以看到，异常信息被覆盖
    16. public static void main(String[] args) throws IOException {
    17.     AutoClose close = null;
    18.     try {
    19.         close = new AutoClose();
    20.         close.work();
    21.     } finally {
    22.         close.close();
    23.     }
    24. }
    25. // 传统方法的输出：
    26. work
    27. close
    28. Exception in thread "main" java.lang.RuntimeException: exception in close
    29.     at org.example.common.Main$AutoClose.close(Main.java:27)
    30.     at org.example.common.Main.main(Main.java:36)
    32. // 使用 try-resource-catch 语法
    33. public static void main(String[] args) throws IOException {
    34.     try (AutoClose autoClose = new AutoClose()){
    35.         autoClose.work();
    36.     }
    37. }
    38. // 输出：
    39. work
    40. close
    41. Exception in thread "main" java.io.IOException: exception in work
    42.     at org.example.common.Main$AutoClose.work(Main.java:21)
    43.     at org.example.common.Main.main(Main.java:40)
    44.     Suppressed: java.lang.RuntimeException: exception in close
    45.         at org.example.common.Main$AutoClose.close(Main.java:27)
    46.         at org.example.common.Main.main(Main.java:41)