From 5d8c84c3f74b16afa3b8d635cf39b75842b5f0af Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Thu, 8 Nov 2018 16:46:06 +0800
Subject: [PATCH 1/8] update Amplifier.java

find one small typo change from dvd to tuner on 34
---
 src/headfirst/designpatterns/facade/hometheater/Amplifier.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/headfirst/designpatterns/facade/hometheater/Amplifier.java b/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
index ba0da133..d05e9de6 100755
--- a/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
+++ b/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
@@ -31,7 +31,7 @@ public void setVolume(int level) {
 	}
 
 	public void setTuner(Tuner tuner) {
-		System.out.println(description + " setting tuner to " + dvd);
+		System.out.println(description + " setting tuner to " + );
 		this.tuner = tuner;
 	}
   

From b3d889d727224578ea4a535555b771f269eaa8d2 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Thu, 8 Nov 2018 16:47:13 +0800
Subject: [PATCH 2/8] Update Amplifier.java

---
 src/headfirst/designpatterns/facade/hometheater/Amplifier.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/headfirst/designpatterns/facade/hometheater/Amplifier.java b/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
index d05e9de6..41ace9d9 100755
--- a/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
+++ b/src/headfirst/designpatterns/facade/hometheater/Amplifier.java
@@ -31,7 +31,7 @@ public void setVolume(int level) {
 	}
 
 	public void setTuner(Tuner tuner) {
-		System.out.println(description + " setting tuner to " + );
+		System.out.println(description + " setting tuner to " + tuner);
 		this.tuner = tuner;
 	}
   

From 4feb6389b9ea268001c1796fbf2146f2433cbb59 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Thu, 8 Nov 2018 17:14:48 +0800
Subject: [PATCH 3/8] update Tuner

correct Typo
---
 src/headfirst/designpatterns/facade/hometheater/Tuner.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/headfirst/designpatterns/facade/hometheater/Tuner.java b/src/headfirst/designpatterns/facade/hometheater/Tuner.java
index c68dc30c..b559bed8 100755
--- a/src/headfirst/designpatterns/facade/hometheater/Tuner.java
+++ b/src/headfirst/designpatterns/facade/hometheater/Tuner.java
@@ -7,6 +7,7 @@ public class Tuner {
 
 	public Tuner(String description, Amplifier amplifier) {
 		this.description = description;
+	        this.amplifier = amplifier;
 	}
 
 	public void on() {

From 1d82f31cdcc5f915a8f002cb209bd4c5984cc922 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Fri, 9 Nov 2018 09:50:25 +0800
Subject: [PATCH 4/8] remove setCd from endCd

---
 .../designpatterns/facade/hometheater/HomeTheaterFacade.java     | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/headfirst/designpatterns/facade/hometheater/HomeTheaterFacade.java b/src/headfirst/designpatterns/facade/hometheater/HomeTheaterFacade.java
index 627243b6..45e7fef7 100755
--- a/src/headfirst/designpatterns/facade/hometheater/HomeTheaterFacade.java
+++ b/src/headfirst/designpatterns/facade/hometheater/HomeTheaterFacade.java
@@ -72,7 +72,6 @@ public void listenToCd(String cdTitle) {
 	public void endCd() {
 		System.out.println("Shutting down CD...");
 		amp.off();
-		amp.setCd(cd);
 		cd.eject();
 		cd.off();
 	}

From 8a3ab3014f591d6673139e5dc8bafbc0a157267a Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Wed, 14 Nov 2018 13:15:12 +0800
Subject: [PATCH 5/8] create a new folder to complete the game exercise

---
 src/headfirst/designpatterns/strategy/game | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 src/headfirst/designpatterns/strategy/game

diff --git a/src/headfirst/designpatterns/strategy/game b/src/headfirst/designpatterns/strategy/game
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/src/headfirst/designpatterns/strategy/game
@@ -0,0 +1 @@
+

From 204f03f35b06b40d64be7a2e9089b9d27a5a7134 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Wed, 14 Nov 2018 13:21:31 +0800
Subject: [PATCH 6/8] Delete game

---
 src/headfirst/designpatterns/strategy/game | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 src/headfirst/designpatterns/strategy/game

diff --git a/src/headfirst/designpatterns/strategy/game b/src/headfirst/designpatterns/strategy/game
deleted file mode 100644
index 8b137891..00000000
--- a/src/headfirst/designpatterns/strategy/game
+++ /dev/null
@@ -1 +0,0 @@
-

From 1d57665a4da7860c2496ddeb755ea4009cf06f03 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Wed, 14 Nov 2018 13:24:28 +0800
Subject: [PATCH 7/8] folder to store game package for strategy

---
 src/headfirst/designpatterns/strategyPattern/game/empty | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/empty

diff --git a/src/headfirst/designpatterns/strategyPattern/game/empty b/src/headfirst/designpatterns/strategyPattern/game/empty
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/empty
@@ -0,0 +1 @@
+

From 499340297abcaa1f8a4c4bdfe82d1197ec4e3803 Mon Sep 17 00:00:00 2001
From: huangmaomu <kranehe@yahoo.com>
Date: Wed, 14 Nov 2018 13:43:35 +0800
Subject: [PATCH 8/8] Add sample code to complete the exercise regarding
 strategy pattern. One abstract classs, which is Character. An interface,
 which is WeaponBehavior.

---
 .../strategyPattern/game/AxeBehavior.java     | 11 +++++++++
 .../game/BowAndArrowBehavior.java             | 11 +++++++++
 .../strategyPattern/game/Character.java       | 17 +++++++++++++
 .../strategyPattern/game/GameStart.java       | 24 +++++++++++++++++++
 .../strategyPattern/game/King.java            | 11 +++++++++
 .../strategyPattern/game/KnifeBehavior.java   | 11 +++++++++
 .../strategyPattern/game/Knight.java          | 11 +++++++++
 .../strategyPattern/game/Queen.java           | 12 ++++++++++
 .../strategyPattern/game/SwordBehavior.java   | 11 +++++++++
 .../strategyPattern/game/Troll.java           | 11 +++++++++
 .../strategyPattern/game/WeaponBehavior.java  |  5 ++++
 .../designpatterns/strategyPattern/game/empty |  1 -
 12 files changed, 135 insertions(+), 1 deletion(-)
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/AxeBehavior.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/BowAndArrowBehavior.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/Character.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/GameStart.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/King.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/KnifeBehavior.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/Knight.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/Queen.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/SwordBehavior.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/Troll.java
 create mode 100644 src/headfirst/designpatterns/strategyPattern/game/WeaponBehavior.java
 delete mode 100644 src/headfirst/designpatterns/strategyPattern/game/empty

diff --git a/src/headfirst/designpatterns/strategyPattern/game/AxeBehavior.java b/src/headfirst/designpatterns/strategyPattern/game/AxeBehavior.java
new file mode 100644
index 00000000..313657f5
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/AxeBehavior.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class AxeBehavior implements WeaponBehavior {
+
+	@Override
+	public void useWeapon() {
+		// TODO Auto-generated method stub
+		System.out.println("chopping with an axe");
+	}
+
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/BowAndArrowBehavior.java b/src/headfirst/designpatterns/strategyPattern/game/BowAndArrowBehavior.java
new file mode 100644
index 00000000..8ca03d94
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/BowAndArrowBehavior.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class BowAndArrowBehavior implements WeaponBehavior {
+
+	@Override
+	public void useWeapon() {
+		// TODO Auto-generated method stub
+		System.out.println("shooting with an arrow and a bow");
+	}
+
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/Character.java b/src/headfirst/designpatterns/strategyPattern/game/Character.java
new file mode 100644
index 00000000..eafca8f1
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/Character.java
@@ -0,0 +1,17 @@
+package game1;
+
+public abstract class Character {
+	WeaponBehavior weapon;
+	
+	public void setWeapon(WeaponBehavior w){
+		this.weapon = w;
+	}
+	
+	public void performUseWeapon() {
+		weapon.useWeapon();
+	}
+	
+	public void fight() {
+		
+	}
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/GameStart.java b/src/headfirst/designpatterns/strategyPattern/game/GameStart.java
new file mode 100644
index 00000000..8988169d
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/GameStart.java
@@ -0,0 +1,24 @@
+package game1;
+
+public class GameStart {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Character character1 = new Queen();
+		character1.performUseWeapon();
+		character1.fight();
+		
+		Character character2 = new King();
+		character2.performUseWeapon();
+		character2.fight();
+		
+		Character character3 = new Troll();
+		character3.performUseWeapon();
+		character3.fight();
+		
+		Character character4 = new Knight();
+		character4.performUseWeapon();
+		character4.fight();
+	}
+
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/King.java b/src/headfirst/designpatterns/strategyPattern/game/King.java
new file mode 100644
index 00000000..92f49eb1
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/King.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class King extends Character {
+	public King() {
+		weapon = new SwordBehavior();
+	}
+	
+	public void fight() {
+		System.out.println("King is fighting");
+	}
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/KnifeBehavior.java b/src/headfirst/designpatterns/strategyPattern/game/KnifeBehavior.java
new file mode 100644
index 00000000..a2ddc806
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/KnifeBehavior.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class KnifeBehavior implements WeaponBehavior {
+
+	public void useWeapon() {
+		// TODO Auto-generated method stub
+		System.out.println("cutting with a knife");
+
+	}
+
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/Knight.java b/src/headfirst/designpatterns/strategyPattern/game/Knight.java
new file mode 100644
index 00000000..1e12e303
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/Knight.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class Knight extends Character {
+	public Knight() {
+		weapon = new KnifeBehavior();
+	}
+	
+	public void fight() {
+		System.out.println("Knight is fighting");
+	}
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/Queen.java b/src/headfirst/designpatterns/strategyPattern/game/Queen.java
new file mode 100644
index 00000000..69ef9900
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/Queen.java
@@ -0,0 +1,12 @@
+package game1;
+
+public class Queen extends Character {
+
+	public Queen() {
+		weapon = new BowAndArrowBehavior();
+	}
+	
+	public void fight() {
+		System.out.println("Queen is fighting");
+	}
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/SwordBehavior.java b/src/headfirst/designpatterns/strategyPattern/game/SwordBehavior.java
new file mode 100644
index 00000000..409f0fb8
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/SwordBehavior.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class SwordBehavior implements WeaponBehavior {
+
+	@Override
+	public void useWeapon() {
+		// TODO Auto-generated method stub
+		System.out.println("swinging a sword");
+	}
+
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/Troll.java b/src/headfirst/designpatterns/strategyPattern/game/Troll.java
new file mode 100644
index 00000000..05ee8a1f
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/Troll.java
@@ -0,0 +1,11 @@
+package game1;
+
+public class Troll extends Character {
+	public Troll() {
+		weapon = new AxeBehavior();
+	}
+	
+	public void fight() {
+		System.out.println("Troll is fighting");
+	}
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/WeaponBehavior.java b/src/headfirst/designpatterns/strategyPattern/game/WeaponBehavior.java
new file mode 100644
index 00000000..1e210fdc
--- /dev/null
+++ b/src/headfirst/designpatterns/strategyPattern/game/WeaponBehavior.java
@@ -0,0 +1,5 @@
+package game1;
+
+public interface WeaponBehavior {
+	public void useWeapon();
+}
diff --git a/src/headfirst/designpatterns/strategyPattern/game/empty b/src/headfirst/designpatterns/strategyPattern/game/empty
deleted file mode 100644
index 8b137891..00000000
--- a/src/headfirst/designpatterns/strategyPattern/game/empty
+++ /dev/null
@@ -1 +0,0 @@
-