From cb7b74f218aaee0b5e517ff23e3a9ed54bff8ba4 Mon Sep 17 00:00:00 2001
From: Ricardo Markiewicz <rmarkie@fi.uba.ar>
Date: Wed, 10 May 2006 23:26:37 +0000
Subject: [PATCH] Puntos 4.1 y 4.2

---
 src/Cantadores.java | 22 ++++++++++++++++++++++
 src/Sorteo.java     | 28 ++++++++++++++++++++++++++++
 src/Sorteo1.java    | 13 +++++++++++++
 src/Sorteo2.java    | 17 +++++++++++++++++
 4 files changed, 80 insertions(+)
 create mode 100644 src/Cantadores.java
 create mode 100644 src/Sorteo.java
 create mode 100644 src/Sorteo1.java
 create mode 100644 src/Sorteo2.java

diff --git a/src/Cantadores.java b/src/Cantadores.java
new file mode 100644
index 0000000..376d0e7
--- /dev/null
+++ b/src/Cantadores.java
@@ -0,0 +1,22 @@
+import java.util.*;
+
+public class Cantadores implements Observer
+{
+	String nombre;
+	public Cantadores (String s)
+	{
+		nombre = s;
+	}
+
+	public void update(Observable obs, Object obj)
+	{
+		if (obs instanceof Sorteo) {
+			Sorteo s = (Sorteo)obs;
+			if ((s.getN()>=40) && (s.getN()<=49))
+				System.out.println ("Canto "+nombre+" "+s.getN());
+		} else {
+			System.out.println ("E");
+		}
+	}
+}
+
diff --git a/src/Sorteo.java b/src/Sorteo.java
new file mode 100644
index 0000000..ccf3368
--- /dev/null
+++ b/src/Sorteo.java
@@ -0,0 +1,28 @@
+
+import java.util.*;
+		
+public class Sorteo extends Observable
+{
+	Random r = new Random ();
+	int n;
+
+	public Sorteo ()
+	{
+	}
+
+	public int getN()
+	{
+		return n;
+	}
+
+	public void Go ()
+	{
+		while (true) {
+			/* Uso rango de 0 a 100 para que salga alguna vez :P */
+			n = r.nextInt () % 100;
+			setChanged ();
+			notifyObservers ();
+		}
+	}
+}
+
diff --git a/src/Sorteo1.java b/src/Sorteo1.java
new file mode 100644
index 0000000..ea05612
--- /dev/null
+++ b/src/Sorteo1.java
@@ -0,0 +1,13 @@
+
+public class Sorteo1
+{
+	static public void main (String [] args)
+	{
+		Sorteo s = new Sorteo ();
+		Cantadores c = new Cantadores ("Pablo");
+		s.addObserver (c);
+
+		s.Go ();
+	}
+}
+
diff --git a/src/Sorteo2.java b/src/Sorteo2.java
new file mode 100644
index 0000000..1cc50c6
--- /dev/null
+++ b/src/Sorteo2.java
@@ -0,0 +1,17 @@
+
+public class Sorteo2
+{
+	static public void main (String [] args)
+	{
+		Sorteo s = new Sorteo ();
+		Cantadores c1 = new Cantadores ("Pablo");
+		Cantadores c2 = new Cantadores ("Mariela");
+		Cantadores c3 = new Cantadores ("Angela");
+		s.addObserver (c1);
+		s.addObserver (c2);
+		s.addObserver (c3);
+
+		s.Go ();
+	}
+}
+
-- 
2.43.0