initial commit

src/bank/BankAccount.java

@@ -0,0 +1,24 @@
+package bank;
+
+public abstract class BankAccount {
+    protected double balance;
+    protected String owner;
+
+    public double getBalance() {
+        return balance;
+    }
+    public void deposit(double amount){
+        balance += amount;
+    }
+    public boolean withdraw(double amount){
+        if(balance<amount) return false;
+        
+        balance -= amount;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return owner + " have " + balance + "CHF on his account.";
+    }
+}