Improved comments for strategy pattern sample.

Author: iluwatar

strategy/src/main/java/com/iluwatar/App.java

@@ -2,7 +2,7 @@
 
 /**
  * 
- * Strategy (DragonSlayingStrategy) encapsulates the algorithm to use. The
+ * Strategy (DragonSlayingStrategy) encapsulates an algorithm. The containing
  * object (DragonSlayer) can alter its behavior by changing its strategy.
  * 
  */

strategy/src/main/java/com/iluwatar/MeleeStrategy.java

@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Melee strategy.
+ *
+ */
 public class MeleeStrategy implements DragonSlayingStrategy {
 
 	@Override

strategy/src/main/java/com/iluwatar/ProjectileStrategy.java

@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Projectile strategy.
+ *
+ */
 public class ProjectileStrategy implements DragonSlayingStrategy {
 
 	@Override

strategy/src/main/java/com/iluwatar/SpellStrategy.java

@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Spell strategy.
+ *
+ */
 public class SpellStrategy implements DragonSlayingStrategy {
 
 	@Override