From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/Listing1008.java                 | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/Listing1008.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1008.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1008.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1008.java
new file mode 100644
index 0000000..bcaa0c6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1008.java	
@@ -0,0 +1,49 @@
+/* Listing1008.java */
+
+public class Listing1008
+{
+  enum Farbe {ROT, GRUEN, BLAU, GELB};
+
+  public static void farbVergleich(Farbe f1, Farbe f2)
+  {
+    System.out.print(f1);
+    System.out.print(f1.equals(f2) ? " = " : " != ");
+    System.out.println(f2);
+  }
+
+  public static String toRGB(Farbe f)
+  {
+    String ret = "?";
+    switch (f) {
+      case ROT:   ret = "(255,0,0)"; break;
+      case GRUEN: ret = "(0,255,0)"; break;
+      case BLAU:  ret = "(0,0,255)"; break;
+      case GELB:  ret = "(255,255,0)"; break;
+    }
+    return ret;
+  }
+
+  public static void main(String[] args)
+  {
+    //Aufzählungsvariablen
+    Farbe f1 = Farbe.ROT;
+    Farbe f2 = Farbe.BLAU;
+    Farbe f3 = Farbe.ROT;
+    //toString() liefert den Namen
+    System.out.println("--");
+    System.out.println(f1);
+    System.out.println(f2);
+    System.out.println(f3);
+    //equals funktioniert auch
+    System.out.println("--");
+    farbVergleich(f1, f2);
+    farbVergleich(f1, f3);
+    farbVergleich(f2, f3);
+    farbVergleich(f1, f1);
+    //Die Methode values()
+    System.out.println("--");
+    for (Farbe f : Farbe.values()) {
+      System.out.println(f + "=" + toRGB(f));
+    }
+  }
+}
\ No newline at end of file
-- 
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