megascus · July 6, 2017 04:20 · Jul 6, 2017
diff --git a/CloseableTest.java b/CloseableTest.java
@@ -0,0 +1,28 @@
+public class CloseableTest implements AutoCloseable {
+
+    public static void main(String[] args) {
+
+        try (CloseableTest test = new CloseableTest()) {
+            test.throwException();;
+        } catch (Exception e) {
+            System.out.println("catch exception");
+            System.out.println(e.getSuppressed()[0]); //close()メソッドの中で投げられた例外にcatch句でアクセスができる。
+        }
+
+    }
+
+    CloseableTest() {
+        System.out.println("new CloseableTest");
+    }
+
+    void throwException() throws Exception {
+        System.out.println("throwException()");
+        throw new Exception();
+    }
+
+    @Override
+    public void close() throws Exception {
+        System.out.println("close()");
+        throw new Exception("surpressed");
+    }
+}