From 87e8cd1e090220aa22ace3f57316eb5a021dd96c Mon Sep 17 00:00:00 2001
From: Karsten Jeppesen <kaje@ucn.dk>
Date: Sat, 7 May 2022 23:54:49 +0200
Subject: [PATCH] PatternSingleton: Initial commit

---
 .../PatternSingleton/.classpath               |  6 ++++++
 System Development/PatternSingleton/.project  | 17 +++++++++++++++++
 .../src/PatternSingleton.java                 |  9 +++++++++
 .../PatternSingleton/src/Singleton.java       | 19 +++++++++++++++++++
 4 files changed, 51 insertions(+)
 create mode 100644 System Development/PatternSingleton/.classpath
 create mode 100644 System Development/PatternSingleton/.project
 create mode 100644 System Development/PatternSingleton/src/PatternSingleton.java
 create mode 100644 System Development/PatternSingleton/src/Singleton.java

diff --git a/System Development/PatternSingleton/.classpath b/System Development/PatternSingleton/.classpath
new file mode 100644
index 0000000..fb50116
--- /dev/null
+++ b/System Development/PatternSingleton/.classpath	
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/System Development/PatternSingleton/.project b/System Development/PatternSingleton/.project
new file mode 100644
index 0000000..f27aff2
--- /dev/null
+++ b/System Development/PatternSingleton/.project	
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>PatternSingleton</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/System Development/PatternSingleton/src/PatternSingleton.java b/System Development/PatternSingleton/src/PatternSingleton.java
new file mode 100644
index 0000000..772c4c5
--- /dev/null
+++ b/System Development/PatternSingleton/src/PatternSingleton.java	
@@ -0,0 +1,9 @@
+public class PatternSingleton {
+	public static void main(String[] args) {
+		//Get the only object available
+		Singleton object = Singleton.getInstance();
+		
+		//show the message
+		object.showMessage();
+	}
+}
diff --git a/System Development/PatternSingleton/src/Singleton.java b/System Development/PatternSingleton/src/Singleton.java
new file mode 100644
index 0000000..a80a4b3
--- /dev/null
+++ b/System Development/PatternSingleton/src/Singleton.java	
@@ -0,0 +1,19 @@
+
+public class Singleton {
+
+	   //create an object of SingleObject
+	   private static Singleton instance = new Singleton();
+
+	   //make the constructor private so that this class cannot be
+	   //instantiated
+	   private Singleton(){}
+
+	   //Get the only object available
+	   public static Singleton getInstance(){
+	      return instance;
+	   }
+
+	   public void showMessage(){
+	      System.out.println("There can be only One!");
+	   }
+	}
\ No newline at end of file