diff options
Diffstat (limited to 'java/05-simple-objects')
| -rw-r--r-- | java/05-simple-objects/.gitignore | 1 | ||||
| -rw-r--r-- | java/05-simple-objects/Account.java | 25 | ||||
| -rw-r--r-- | java/05-simple-objects/AccountApp.java | 22 |
3 files changed, 48 insertions, 0 deletions
diff --git a/java/05-simple-objects/.gitignore b/java/05-simple-objects/.gitignore new file mode 100644 index 0000000..6b468b6 --- /dev/null +++ b/java/05-simple-objects/.gitignore @@ -0,0 +1 @@ +*.class diff --git a/java/05-simple-objects/Account.java b/java/05-simple-objects/Account.java new file mode 100644 index 0000000..42ccec7 --- /dev/null +++ b/java/05-simple-objects/Account.java @@ -0,0 +1,25 @@ +public class Account { + + /* Declaring fields - represent state */ + + int accountNumber; + 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; + } + +} diff --git a/java/05-simple-objects/AccountApp.java b/java/05-simple-objects/AccountApp.java new file mode 100644 index 0000000..a20f9fb --- /dev/null +++ b/java/05-simple-objects/AccountApp.java @@ -0,0 +1,22 @@ +public class AccountApp { + + /** + * @param args + */ + public static void main(String[] args) { + Account a1 = new Account(); // Instantiation of 'Account' class + Account a2 = new Account(); + + System.out.println(a1.getBalance()); + + a1.deposit(100.0); + System.out.println(a1.getBalance()); + + a1.withdraw(50.0); + System.out.println(a1.getBalance()); + + a2.deposit(100.0); + System.out.println(a2.getBalance()); + } + +} |
