枚举类实现单例，添加枚举类内部方法，反编译文件展示

jad/EnumInstance_addMethod.java

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+// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
+// Jad home page: http://www.kpdus.com/jad.html
+// Decompiler options: packimports(3) 
+// Source File Name:   EnumInstance.java
+
+package top.fjy8018.designpattern.pattern.creational.singleton;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public abstract class EnumInstance extends Enum
+{
+
+    public static EnumInstance[] values()
+    {
+        return (EnumInstance[])$VALUES.clone();
+    }
+
+    public static EnumInstance valueOf(String name)
+    {
+        return (EnumInstance)Enum.valueOf(top/fjy8018/designpattern/pattern/creational/singleton/EnumInstance, name);
+    }
+
+    private EnumInstance(String s, int i)
+    {
+        super(s, i);
+    }
+
+    protected abstract void logTest();
+
+    public Object getData()
+    {
+        return data;
+    }
+
+    public void setData(Object data)
+    {
+        this.data = data;
+    }
+
+    public static EnumInstance getInstance()
+    {
+        return INSTANCE;
+    }
+
+
+    public static final EnumInstance INSTANCE;
+    private static final Logger log = LoggerFactory.getLogger(top/fjy8018/designpattern/pattern/creational/singleton/EnumInstance);
+    private Object data;
+    private static final EnumInstance $VALUES[];
+
+    static 
+    {
+        INSTANCE = new EnumInstance("INSTANCE", 0) {
+
+            protected void logTest()
+            {
+                EnumInstance.log.info((new StringBuilder()).append(top/fjy8018/designpattern/pattern/creational/singleton/EnumInstance.getSimpleName()).append("\u6253\u5370\u8F93\u51FA").toString());
+            }
+
+        }
+;
+        $VALUES = (new EnumInstance[] {
+            INSTANCE
+        });
+    }
+
+}