add EnumSingleton

Folgerjun · Folgerjun · commit 7c4219710149 · 2019-02-15T10:43:40.000+08:00
diff --git a/java-des/src/com/java/design/singleton/EnumSingleton.java b/java-des/src/com/java/design/singleton/EnumSingleton.java
@@ -0,0 +1,17 @@
+package com.java.design.singleton;
+
+/**
+ * 枚举实现单例 最佳
+ * 避免反射攻击、避免序列化问题
+ * 
+ * @author Administrator
+ *
+ */
+public class EnumSingleton {
+
+	INSTANCE;
+
+	public EnumSingleton getInstance() {
+		return INSTANCE;
+	}
+}
