correct several typos in files

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 " + tuner);
 		this.tuner = tuner;
 	}
 

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();
 	}

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() {

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");
+	}
+
+}

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");
+	}
+
+}

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() {
+
+	}
+}

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();
+	}
+
+}

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");
+	}
+}

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");
+
+	}
+
+}

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");
+	}
+}

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");
+	}
+}

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");
+	}
+
+}

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");
+	}
+}

src/headfirst/designpatterns/strategyPattern/game/WeaponBehavior.java

@@ -0,0 +1,5 @@
+package game1;
+
+public interface WeaponBehavior {
+	public void useWeapon();
+}