Added simple OOP sample code.

1 files changed, 47 insertions, 0 deletions

diff --git a/oop/04-constructors/Account.java b/oop/04-constructors/Account.java
new file mode 100644
index 0000000..82875be
--- /dev/null
+++ b/oop/04-constructors/Account.java
@@ -0,0 +1,47 @@
+
+public class Account {
+	
+	/* Declaring fields  - represent state */
+	
+	int accountNumber;
+	double balance;
+	
+	// No argument constructor
+	public Account() {
+		System.out.println("No argument constructor");
+	}
+	
+	// A constructor with an argument
+	public Account(double initialBalance) {
+		balance = initialBalance;
+		System.out.println("Argument constructor");
+	}
+	
+	/* Declaring methods - represent operations */
+	
+	public void withdraw(double amount) {
+		if (balance >= amount) {
+			balance = balance - amount;
+		}
+	}
+
+	// Overloaded method
+	public void deposit(double amount) {
+		balance += amount;
+	}
+	
+	// Overloaded method
+	public void deposit(int amount) {
+		balance += amount;
+	}
+
+	
+	public double getBalance() {
+		return balance;
+	}
+	
+	
+//	public int getBalance() {
+//		return 1;
+//	}
+}