From 7924ee2a62a174967d459ca7814b996a06cd1be4 Mon Sep 17 00:00:00 2001
From: Eric Teunis de Boone <ericteunis@gmail.com>
Date: Thu, 12 Dec 2019 17:12:47 +0100
Subject: [PATCH] Ex3.4: Static Class Counter

---
 ex3.4/Counter.cc |  9 +++++++++
 ex3.4/Counter.hh | 18 ++++++++++++++++++
 ex3.4/main.cpp   | 19 +++++++++++++++++++
 3 files changed, 46 insertions(+)
 create mode 100644 ex3.4/Counter.cc
 create mode 100644 ex3.4/Counter.hh
 create mode 100644 ex3.4/main.cpp

diff --git a/ex3.4/Counter.cc b/ex3.4/Counter.cc
new file mode 100644
index 0000000..59d5393
--- /dev/null
+++ b/ex3.4/Counter.cc
@@ -0,0 +1,9 @@
+// Counter.cc
+
+#include "Counter.hh"
+
+int Counter::getCounter() {
+	return counter;
+}
+
+int Counter::counter = 0 ;
diff --git a/ex3.4/Counter.hh b/ex3.4/Counter.hh
new file mode 100644
index 0000000..da1ad38
--- /dev/null
+++ b/ex3.4/Counter.hh
@@ -0,0 +1,18 @@
+// Counter.hh
+
+#ifndef COUNTERHH
+#define COUNTERHH
+
+class Counter
+{
+	public:
+		Counter(){ counter++ ; }
+		~Counter(){ counter-- ; }
+
+		static int getCounter();
+
+	
+		static int counter ;
+	
+};
+#endif
diff --git a/ex3.4/main.cpp b/ex3.4/main.cpp
new file mode 100644
index 0000000..4b475e1
--- /dev/null
+++ b/ex3.4/main.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include "Counter.hh"
+
+using namespace std;
+
+int main() {
+	Counter a ;
+	Counter b ;
+
+	cout << "there are now "
+		<< Counter::getCounter()
+		<< " Counter objects" << endl;
+
+	if (true) {
+		Counter c;
+		cout << " and now " << Counter::getCounter() ;
+	}
+	cout << " and now " << Counter::getCounter() << endl ;
+}