small test to play around abit with classes

1 files changed, 39 insertions, 0 deletions

diff --git a/7p57.cpp b/7p57.cpp
new file mode 100644
index 0000000..03be16f
--- /dev/null
+++ b/7p57.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+
+/*
+ *
+ * 7.57
+ *
+ *
+ */
+
+class Account {
+public:
+	Account(std::string o, double am): owner(o), amount(am) {}
+	Account(std::string o): Account(o, 0) {}
+	Account(): Account("John Doe", 0) {}
+	void calculate() { amount += amount * interestRate; }
+	static double rate() { return interestRate; }
+	static void rate(double);
+private:
+	std::string owner;
+	double amount;
+	static double interestRate;
+	static double initRate();
+};
+
+double Account::initRate() {
+
+	return 1;
+}
+
+double Account::interestRate = Account::initRate();
+
+int main () {
+
+	Account a1;
+	Account a2("Joe Johnsson");
+	Account a3("Manny Manson", 1000);
+	std::cout << Account::rate() << std::endl;
+	return 0;
+}