3 files changed, 46 insertions, 0 deletions
diff --git a/oop/04-encapsulation/.gitignore b/oop/04-encapsulation/.gitignore
new file mode 100644
index 0000000..6b468b6
--- /dev/null
+++ b/oop/04-encapsulation/.gitignore
@@ -0,0 +1 @@
+*.class
diff --git a/oop/04-encapsulation/Account.java b/oop/04-encapsulation/Account.java
new file mode 100644
index 0000000..55d99d0
--- /dev/null
+++ b/oop/04-encapsulation/Account.java
@@ -0,0 +1,29 @@
+
+public class Account {
+	
+	/* Declaring fields  - represent state */
+	
+	private int accountNumber;
+	private double balance;
+	
+	
+	/* Declaring methods - represent operations */
+	
+	public void withdraw(double amount) {
+		if (balance >= amount) {
+			balance = balance - amount;
+		}
+	}
+
+	public void deposit(double amount) {
+		balance += amount;
+	}
+	
+	public double getBalance() {
+		return balance;
+	}
+	
+	public void setBalance(double newBalance) {
+		balance = newBalance;
+	}
+}
diff --git a/oop/04-encapsulation/AccountTest.java b/oop/04-encapsulation/AccountTest.java
new file mode 100644
index 0000000..9242cea
--- /dev/null
+++ b/oop/04-encapsulation/AccountTest.java
@@ -0,0 +1,16 @@
+
+public class AccountTest {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		Account a1 = new Account(); // Instantiation of 'Account' class
+		
+		a1.setBalance(200.0);
+		
+//		a1.deposit(100.0);
+//		a1.withdraw(10.0);
+	}
+
+}