From fab39307b045215fb465701009bb0d454788a4ca Mon Sep 17 00:00:00 2001 From: Kamal Wickramanayake Date: Sat, 21 Feb 2026 19:56:23 +0530 Subject: Added simple OOP sample code. --- oop/06-encapsulation/.gitignore | 1 + oop/06-encapsulation/Account.java | 29 +++++++++++++++++++++++++++++ oop/06-encapsulation/AccountTest.java | 16 ++++++++++++++++ 3 files changed, 46 insertions(+) create mode 100644 oop/06-encapsulation/.gitignore create mode 100644 oop/06-encapsulation/Account.java create mode 100644 oop/06-encapsulation/AccountTest.java (limited to 'oop/06-encapsulation') diff --git a/oop/06-encapsulation/.gitignore b/oop/06-encapsulation/.gitignore new file mode 100644 index 0000000..6b468b6 --- /dev/null +++ b/oop/06-encapsulation/.gitignore @@ -0,0 +1 @@ +*.class diff --git a/oop/06-encapsulation/Account.java b/oop/06-encapsulation/Account.java new file mode 100644 index 0000000..55d99d0 --- /dev/null +++ b/oop/06-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/06-encapsulation/AccountTest.java b/oop/06-encapsulation/AccountTest.java new file mode 100644 index 0000000..9242cea --- /dev/null +++ b/oop/06-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); + } + +} -- cgit v1.2.3