装饰器模式

src/main/java/top/fjy8018/designpattern/pattern/structural/decorator/before/Battercake.java

@@ -11,11 +11,11 @@ package top.fjy8018.designpattern.pattern.structural.decorator.before;
  * @date 2018-09-27 16:56
  */
 public class Battercake {
-    protected String getDesc() {
+    public String getDesc() {
         return "煎饼";
     }
 
-    protected int cost() {
+    public int cost() {
         return 8;
     }
 }

src/main/java/top/fjy8018/designpattern/pattern/structural/decorator/before/BattercakeWithEgg.java

@@ -8,12 +8,12 @@ package top.fjy8018.designpattern.pattern.structural.decorator.before;
  */
 public class BattercakeWithEgg extends Battercake {
     @Override
-    protected String getDesc() {
+    public String getDesc() {
         return super.getDesc() + " 加一个鸡蛋";
     }
 
     @Override
-    protected int cost() {
+    public int cost() {
         return super.cost() + 1;
     }
 }

src/main/java/top/fjy8018/designpattern/pattern/structural/decorator/before/BattercakeWithEggSausage.java

@@ -6,12 +6,12 @@ package top.fjy8018.designpattern.pattern.structural.decorator.before;
  */
 public class BattercakeWithEggSausage extends BattercakeWithEgg {
     @Override
-    protected String getDesc() {
+    public String getDesc() {
         return super.getDesc() + " 加一根香肠";
     }
 
     @Override
-    protected int cost() {
+    public int cost() {
         return super.cost() + 2;
     }
 }

src/test/java/top/fjy8018/designpattern/pattern/structural/decorator/BattercakeTest.java

@@ -6,6 +6,9 @@ import top.fjy8018.designpattern.pattern.structural.decorator.after.ABattercake;
 import top.fjy8018.designpattern.pattern.structural.decorator.after.AbstractBattercake;
 import top.fjy8018.designpattern.pattern.structural.decorator.after.EggBattercake;
 import top.fjy8018.designpattern.pattern.structural.decorator.after.SausageBattercake;
+import top.fjy8018.designpattern.pattern.structural.decorator.before.Battercake;
+import top.fjy8018.designpattern.pattern.structural.decorator.before.BattercakeWithEgg;
+import top.fjy8018.designpattern.pattern.structural.decorator.before.BattercakeWithEggSausage;
 
 @Slf4j
 class BattercakeTest {