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-rw-r--r--java/05-simple-objects/.gitignore1
-rw-r--r--java/05-simple-objects/Account.java25
-rw-r--r--java/05-simple-objects/AccountApp.java22
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());
+ }
+
+}