uouo

intro/bank/ContoCorrente.java

@@ -0,0 +1,31 @@
+package intro.bank;
+
+public class ContoCorrente {
+  private int balance;
+  private String owner;
+
+  public ContoCorrente(String owner) {
+    this.balance = 0;
+    this.owner = owner;
+  }
+  public ContoCorrente(String owner, Integer balance) {
+    this.balance = balance;
+    this.owner = owner;
+  }
+  public int getBalance() {
+    return balance;
+  }
+
+  public void setBalance(int balance) {
+    this.balance = balance;
+  }
+
+  public String getOwner() {
+    return owner;
+  }
+
+  @Override
+  public String toString() {
+    return "ContoCorrente[Owner: "+this.owner+" Balance: "+this.balance+"]";
+  }
+}

intro/bank/ContoCorrenteCurrency.java

@@ -0,0 +1,19 @@
+package intro.bank;
+
+public class ContoCorrenteCurrency extends ContoCorrente {
+  private Currency currency;
+
+  public ContoCorrenteCurrency(String owner, Currency currency) {
+    super(owner);
+    this.currency = currency;
+  }
+  public ContoCorrenteCurrency(String owner, Integer balance, Currency currency) {
+    super(owner, balance);
+    this.currency = currency;
+  }
+
+  @Override
+  public String toString() {
+    return super.toString().substring(0,super.toString().length()-1)+" "+this.currency+"]";
+  }
+}

intro/bank/Currency.java

@@ -0,0 +1,5 @@
+package intro.bank;
+
+public enum Currency {
+  EUR, USD, GBP
+}

intro/bank/TestContoCorrente.java

@@ -0,0 +1,18 @@
+package intro.bank;
+
+public class TestContoCorrente {
+  public static void main(String[] args) {
+    ContoCorrenteCurrency c1 = new ContoCorrenteCurrency("c1", 1000, Currency.USD);
+    ContoCorrenteCurrency c2 = new ContoCorrenteCurrency("c2", Currency.EUR);
+    ContoCorrenteCurrency c3 = new ContoCorrenteCurrency("c3",2000, Currency.GBP);
+    System.out.println(c1);
+    System.out.println(c2);
+    System.out.println(c3);
+
+    c2.setBalance(c2.getBalance()+200);
+    c3.setBalance(c3.getBalance()-1200);
+
+    System.out.println(c2);
+    System.out.println(c3);
+  }
+}