Changed package naming across all examples.

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

@@ -0,0 +1,20 @@
+package com.iluwatar.proxy;
+
+/**
+ * 
+ * Proxy (WizardTowerProxy) controls access to the actual object (WizardTower).
+ * 
+ */
+public class App {
+
+	public static void main(String[] args) {
+
+		WizardTowerProxy tower = new WizardTowerProxy();
+		tower.enter(new Wizard("Red wizard"));
+		tower.enter(new Wizard("White wizard"));
+		tower.enter(new Wizard("Black wizard"));
+		tower.enter(new Wizard("Green wizard"));
+		tower.enter(new Wizard("Brown wizard"));
+
+	}
+}

proxy/src/main/java/com/iluwatar/proxy/Wizard.java

@@ -0,0 +1,16 @@
+package com.iluwatar.proxy;
+
+public class Wizard {
+
+	private String name;
+
+	public Wizard(String name) {
+		this.name = name;
+	}
+
+	@Override
+	public String toString() {
+		return name;
+	}
+
+}

proxy/src/main/java/com/iluwatar/proxy/WizardTower.java

@@ -0,0 +1,14 @@
+package com.iluwatar.proxy;
+
+/**
+ * 
+ * The object to be proxyed.
+ * 
+ */
+public class WizardTower {
+
+	public void enter(Wizard wizard) {
+		System.out.println(wizard + " enters the tower.");
+	}
+
+}

proxy/src/main/java/com/iluwatar/proxy/WizardTowerProxy.java

@@ -0,0 +1,23 @@
+package com.iluwatar.proxy;
+
+/**
+ * 
+ * The proxy controlling access to WizardTower.
+ * 
+ */
+public class WizardTowerProxy extends WizardTower {
+
+	private static final int NUM_WIZARDS_ALLOWED = 3;
+
+	private int numWizards;
+
+	@Override
+	public void enter(Wizard wizard) {
+		if (numWizards < NUM_WIZARDS_ALLOWED) {
+			super.enter(wizard);
+			numWizards++;
+		} else {
+			System.out.println(wizard + " is not allowed to enter!");
+		}
+	}
+}