修复代码运行报错

2018-09-06 18:26:39 +08:00 · 2018-09-06 18:26:39 +08:00 · bd7d42b516
commit bd7d42b516
parent 9aebc4660f
1 changed files with 4 additions and 5 deletions
--- a/notes/设计模式.md
+++ b/notes/设计模式.md
@ -211,14 +211,13 @@ public enum EnumSingleton {

        // 反射获取实例测试
        try {
-            Constructor<EnumSingleton> constructor = EnumSingleton.class.getDeclaredConstructor();
-            constructor.setAccessible(true);
-            EnumSingleton enumSingleton = constructor.newInstance();
-            System.out.println(enumSingleton.getObjName());
+            EnumSingleton[] enumConstants = EnumSingleton.class.getEnumConstants();
+            for (EnumSingleton enumConstant : enumConstants) {
+                System.out.println(enumConstant.getObjName());
+            }
        } catch (Exception e) {
            e.printStackTrace();
        }
-
    }
 }