Added simple OOP sample code.

1 files changed, 20 insertions, 0 deletions

diff --git a/oop/07-inheritance/CheckingAccount.java b/oop/07-inheritance/CheckingAccount.java
new file mode 100644
index 0000000..a7c19b8
--- /dev/null
+++ b/oop/07-inheritance/CheckingAccount.java
@@ -0,0 +1,20 @@
+
+public class CheckingAccount extends Account {
+	
+	
+	protected double overdraftLimit;
+
+
+	public void withdraw(double amount) {
+		double finalBalance = balance - amount;
+		if (finalBalance < 0) {
+			if (-finalBalance <= overdraftLimit) {
+				balance = finalBalance;
+			} else {
+				// throw exception
+			}
+		} else {
+			balance =  finalBalance;
+		}
+	}
+}