diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index e112a70..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-    "java.project.sourcePaths": ["src"],
-    "java.project.outputPath": "bin",
-    "java.project.referencedLibraries": [
-        "lib/**/*.jar"
-    ]
-}
diff --git a/bin/ATMCaseStudy.class b/bin/ATMCaseStudy.class
index 607c10d..5d03234 100644
Binary files a/bin/ATMCaseStudy.class and b/bin/ATMCaseStudy.class differ
diff --git a/bin/Account.class b/bin/Account.class
deleted file mode 100644
index 5d2d636..0000000
Binary files a/bin/Account.class and /dev/null differ
diff --git a/bin/BalanceInquiry.class b/bin/BalanceInquiry.class
deleted file mode 100644
index 48f8e6a..0000000
Binary files a/bin/BalanceInquiry.class and /dev/null differ
diff --git a/bin/BankDatabase.class b/bin/BankDatabase.class
deleted file mode 100644
index 429aec1..0000000
Binary files a/bin/BankDatabase.class and /dev/null differ
diff --git a/bin/CashDispenser.class b/bin/CashDispenser.class
deleted file mode 100644
index b8cedba..0000000
Binary files a/bin/CashDispenser.class and /dev/null differ
diff --git a/bin/Deposit.class b/bin/Deposit.class
deleted file mode 100644
index 57b0c3f..0000000
Binary files a/bin/Deposit.class and /dev/null differ
diff --git a/bin/DepositSlot.class b/bin/DepositSlot.class
deleted file mode 100644
index a2664ad..0000000
Binary files a/bin/DepositSlot.class and /dev/null differ
diff --git a/bin/Keypad.class b/bin/Keypad.class
deleted file mode 100644
index 9b066e2..0000000
Binary files a/bin/Keypad.class and /dev/null differ
diff --git a/bin/Screen.class b/bin/Screen.class
deleted file mode 100644
index a036758..0000000
Binary files a/bin/Screen.class and /dev/null differ
diff --git a/bin/Transaction.class b/bin/Transaction.class
deleted file mode 100644
index 1330b55..0000000
Binary files a/bin/Transaction.class and /dev/null differ
diff --git a/bin/Withdrawal.class b/bin/Withdrawal.class
deleted file mode 100644
index 291d645..0000000
Binary files a/bin/Withdrawal.class and /dev/null differ
diff --git a/bin/ATM.class b/bin/code/ATM.class
similarity index 50%
rename from bin/ATM.class
rename to bin/code/ATM.class
index 76543bf..919b4b2 100644
Binary files a/bin/ATM.class and b/bin/code/ATM.class differ
diff --git a/bin/code/ATMCaseStudy.class b/bin/code/ATMCaseStudy.class
new file mode 100644
index 0000000..cff8483
Binary files /dev/null and b/bin/code/ATMCaseStudy.class differ
diff --git a/bin/code/Account.class b/bin/code/Account.class
new file mode 100644
index 0000000..8d6e1e7
Binary files /dev/null and b/bin/code/Account.class differ
diff --git a/bin/code/BalanceInquiry.class b/bin/code/BalanceInquiry.class
new file mode 100644
index 0000000..92c33ae
Binary files /dev/null and b/bin/code/BalanceInquiry.class differ
diff --git a/bin/code/BankDatabase.class b/bin/code/BankDatabase.class
new file mode 100644
index 0000000..c1ed7ee
Binary files /dev/null and b/bin/code/BankDatabase.class differ
diff --git a/bin/code/CashDispenser.class b/bin/code/CashDispenser.class
new file mode 100644
index 0000000..ff77593
Binary files /dev/null and b/bin/code/CashDispenser.class differ
diff --git a/bin/code/Deposit.class b/bin/code/Deposit.class
new file mode 100644
index 0000000..0dc2ca1
Binary files /dev/null and b/bin/code/Deposit.class differ
diff --git a/bin/code/DepositSlot.class b/bin/code/DepositSlot.class
new file mode 100644
index 0000000..8c24a54
Binary files /dev/null and b/bin/code/DepositSlot.class differ
diff --git a/bin/code/Keypad.class b/bin/code/Keypad.class
new file mode 100644
index 0000000..4e59e06
Binary files /dev/null and b/bin/code/Keypad.class differ
diff --git a/bin/code/Screen.class b/bin/code/Screen.class
new file mode 100644
index 0000000..e693401
Binary files /dev/null and b/bin/code/Screen.class differ
diff --git a/bin/code/Transaction.class b/bin/code/Transaction.class
new file mode 100644
index 0000000..f5d9f1c
Binary files /dev/null and b/bin/code/Transaction.class differ
diff --git a/bin/code/Withdrawal.class b/bin/code/Withdrawal.class
new file mode 100644
index 0000000..771f341
Binary files /dev/null and b/bin/code/Withdrawal.class differ
diff --git a/componenti.txt b/componenti.txt
new file mode 100644
index 0000000..1fd2e09
--- /dev/null
+++ b/componenti.txt
@@ -0,0 +1,6 @@
+Componenti del gruppo:
+1) ArunRaj Mathiyalakan (S4954688)
+2) Samuel Cavicchia (S5225277)
+3) Romano Yuri (S5231931)
+
+Nota: se nei commit vede un universik15 è un altro account di Cavicchia.
\ No newline at end of file
diff --git a/lib/hamcrest-core 1.jar b/lib/hamcrest-core 1.jar
new file mode 100644
index 0000000..9d5fe16
Binary files /dev/null and b/lib/hamcrest-core 1.jar differ
diff --git a/lib/hamcrest-core-1.3.jar b/lib/hamcrest-core-1.3.jar
new file mode 100644
index 0000000..9d5fe16
Binary files /dev/null and b/lib/hamcrest-core-1.3.jar differ
diff --git a/lib/junit 4.13.2.jar b/lib/junit 4.13.2.jar
new file mode 100644
index 0000000..6da55d8
Binary files /dev/null and b/lib/junit 4.13.2.jar differ
diff --git a/lib/junit-4.13.2.jar b/lib/junit-4.13.2.jar
new file mode 100644
index 0000000..6da55d8
Binary files /dev/null and b/lib/junit-4.13.2.jar differ
diff --git a/src/ATMCaseStudy.java b/src/ATMCaseStudy.java
index b9033bd..3995757 100644
--- a/src/ATMCaseStudy.java
+++ b/src/ATMCaseStudy.java
@@ -1,3 +1,5 @@
+import code.GUI.ATM;
+
 // ATMCaseStudy.java
 // Driver program for the ATM case study
 
diff --git a/src/CashDispenser.java b/src/code/Business_logic/CashDispenser.java
similarity index 98%
rename from src/CashDispenser.java
rename to src/code/Business_logic/CashDispenser.java
index b249faf..529f530 100644
--- a/src/CashDispenser.java
+++ b/src/code/Business_logic/CashDispenser.java
@@ -1,3 +1,5 @@
+package code.Business_logic;
+
 // CashDispenser.java
 // Represents the cash dispenser of the ATM
 
diff --git a/src/DepositSlot.java b/src/code/Business_logic/DepositSlot.java
similarity index 97%
rename from src/DepositSlot.java
rename to src/code/Business_logic/DepositSlot.java
index 64e02c2..f52ae5b 100644
--- a/src/DepositSlot.java
+++ b/src/code/Business_logic/DepositSlot.java
@@ -1,3 +1,5 @@
+package code.Business_logic;
+
 // DepositSlot.java
 // Represents the deposit slot of the ATM
 
diff --git a/src/code/Business_logic/Euro.java b/src/code/Business_logic/Euro.java
new file mode 100644
index 0000000..9dc2edb
--- /dev/null
+++ b/src/code/Business_logic/Euro.java
@@ -0,0 +1,42 @@
+package code.Business_logic;
+
+public class Euro {
+  private long valore;
+
+  public Euro(long euro, long cent) {
+    if (euro >= 0) valore = euro * 100 + cent;
+    else valore = euro * 100 - cent;
+  }
+
+  public Euro(double d) {
+    valore = (long)(d*100);
+  }
+
+  public long getValore() {
+    return valore;
+  }
+
+  public Euro somma(Euro e) {
+    this.valore = this.valore + e.getValore();
+    return this;
+  }
+
+  public Euro sottrai(Euro e) {
+    this.valore -= e.getValore();
+    return this;
+  }
+
+  public boolean ugualeA(Euro e){
+    if (valore == e.getValore()) return true;
+    else return false;
+  }
+
+  public boolean minoreDi(Euro e){
+    if (valore <= e.getValore()) return true;
+    else return false;
+  }
+
+  public String stampa(){
+    return (double)valore/100 +" euro";
+  }
+}
diff --git a/src/Account.java b/src/code/Database/Account.java
similarity index 75%
rename from src/Account.java
rename to src/code/Database/Account.java
index c308eca..6ed7ce0 100644
--- a/src/Account.java
+++ b/src/code/Database/Account.java
@@ -1,3 +1,7 @@
+package code.Database;
+
+import code.Business_logic.Euro;
+
 // Account.java
 // Represents a bank account
 
@@ -5,12 +9,11 @@ public class Account
 {
    private int accountNumber; // account number
    private int pin; // PIN for authentication
-   private double availableBalance; // funds available for withdrawal
-   private double totalBalance; // funds available + pending deposits
+   private Euro availableBalance; // funds available for withdrawal
+   private Euro totalBalance; // funds available + pending deposits
 
-   // Account constructor initializes attributes
    public Account( int theAccountNumber, int thePIN, 
-      double theAvailableBalance, double theTotalBalance )
+      Euro theAvailableBalance, Euro theTotalBalance )
    {
       accountNumber = theAccountNumber;
       pin = thePIN;
@@ -21,35 +24,33 @@ public Account( int theAccountNumber, int thePIN,
    // determines whether a user-specified PIN matches PIN in Account
    public boolean validatePIN( int userPIN )
    {
-      if ( userPIN == pin )
-         return true;
-      else
-         return false;
+      if ( userPIN == pin ) return true;
+      else return false;
    } // end method validatePIN
    
    // returns available balance
-   public double getAvailableBalance()
+   public Euro getAvailableBalance()
    {
       return availableBalance;
    } // end getAvailableBalance
 
    // returns the total balance
-   public double getTotalBalance()
+   public Euro getTotalBalance()
    {
       return totalBalance;
    } // end method getTotalBalance
 
    // credits an amount to the account
-   public void credit( double amount )
+   public void credit( Euro amount )
    {
-      totalBalance += amount; // add to total balance
+      totalBalance = totalBalance.somma(amount); // add to total balance
    } // end method credit
 
    // debits an amount from the account
-   public void debit( double amount )
+   public void debit( Euro amount )
    {
-      availableBalance -= amount; // subtract from available balance
-      totalBalance -= amount; // subtract from total balance
+      availableBalance.sottrai(amount); // subtract from available balance
+      totalBalance.sottrai(amount); // subtract from total balance
    } // end method debit
 
    // returns account number
diff --git a/src/BankDatabase.java b/src/code/Database/BankDatabase.java
similarity index 87%
rename from src/BankDatabase.java
rename to src/code/Database/BankDatabase.java
index 3978497..914fcd9 100644
--- a/src/BankDatabase.java
+++ b/src/code/Database/BankDatabase.java
@@ -1,3 +1,7 @@
+package code.Database;
+
+import code.Business_logic.Euro;
+
 // BankDatabase.java
 // Represents the bank account information database 
 
@@ -9,8 +13,8 @@ public class BankDatabase
    public BankDatabase()
    {
       accounts = new Account[ 2 ]; // just 2 accounts for testing
-      accounts[ 0 ] = new Account( 12345, 54321, 1000.0, 1200.0 );
-      accounts[ 1 ] = new Account( 98765, 56789, 200.0, 200.0 );  
+      accounts[ 0 ] = new Account( 12345, 54321, new Euro(1000.0), new Euro(1200.0) );
+      accounts[ 1 ] = new Account( 98765, 56789, new Euro(200.0), new Euro(200.0) );  
    } // end no-argument BankDatabase constructor
    
    // retrieve Account object containing specified account number
@@ -42,25 +46,25 @@ public boolean authenticateUser( int userAccountNumber, int userPIN )
    } // end method authenticateUser
 
    // return available balance of Account with specified account number
-   public double getAvailableBalance( int userAccountNumber )
+   public Euro getAvailableBalance( int userAccountNumber )
    {
       return getAccount( userAccountNumber ).getAvailableBalance();
    } // end method getAvailableBalance
 
    // return total balance of Account with specified account number
-   public double getTotalBalance( int userAccountNumber )
+   public Euro getTotalBalance( int userAccountNumber )
    {
       return getAccount( userAccountNumber ).getTotalBalance();
    } // end method getTotalBalance
 
    // credit an amount to Account with specified account number
-   public void credit( int userAccountNumber, double amount )
+   public void credit( int userAccountNumber, Euro amount )
    {
       getAccount( userAccountNumber ).credit( amount );
    } // end method credit
 
    // debit an amount from of Account with specified account number
-   public void debit( int userAccountNumber, double amount )
+   public void debit( int userAccountNumber, Euro amount )
    {
       getAccount( userAccountNumber ).debit( amount );
    } // end method debit
diff --git a/src/Deposit.java b/src/code/Database/Deposit.java
similarity index 89%
rename from src/Deposit.java
rename to src/code/Database/Deposit.java
index 916ef70..5d72540 100644
--- a/src/Deposit.java
+++ b/src/code/Database/Deposit.java
@@ -1,9 +1,16 @@
+package code.Database;
+
+import code.Business_logic.DepositSlot;
+import code.Business_logic.Euro;
+import code.GUI.Keypad;
+import code.GUI.Screen;
+
 // Deposit.java
 // Represents a deposit ATM transaction
 
 public class Deposit extends Transaction
 {
-   private double amount; // amount to deposit
+   private Euro amount; // amount to deposit
    private Keypad keypad; // reference to keypad
    private DepositSlot depositSlot; // reference to deposit slot
    private final static int CANCELED = 0; // constant for cancel option
@@ -30,12 +37,12 @@ public void execute()
       amount = promptForDepositAmount(); // get deposit amount from user
 
       // check whether user entered a deposit amount or canceled
-      if ( amount != CANCELED )
+      if ( amount.getValore() != CANCELED )
       {
          // request deposit envelope containing specified amount
          screen.displayMessage( 
             "\nPlease insert a deposit envelope containing " );
-         screen.displayDollarAmount( amount );
+         screen.displayDollarAmount( new Euro(amount.getValore()) );
          screen.displayMessageLine( "." );
 
          // receive deposit envelope
@@ -65,7 +72,7 @@ public void execute()
    } // end method execute
 
    // prompt user to enter a deposit amount in cents 
-   private double promptForDepositAmount()
+   private Euro promptForDepositAmount()
    {
       Screen screen = getScreen(); // get reference to screen
 
@@ -76,10 +83,10 @@ private double promptForDepositAmount()
       
       // check whether the user canceled or entered a valid amount
       if ( input == CANCELED ) 
-         return CANCELED;
+         return new Euro(CANCELED);
       else
       {
-         return ( double ) input / 100; // return dollar amount 
+         return new Euro(input / 100); // return dollar amount 
       } // end else
    } // end method promptForDepositAmount
 } // end class Deposit
diff --git a/src/Transaction.java b/src/code/Database/Transaction.java
similarity index 97%
rename from src/Transaction.java
rename to src/code/Database/Transaction.java
index 508fea8..fc0c9fe 100644
--- a/src/Transaction.java
+++ b/src/code/Database/Transaction.java
@@ -1,3 +1,7 @@
+package code.Database;
+
+import code.GUI.Screen;
+
 // Transaction.java
 // Abstract superclass Transaction represents an ATM transaction
 
diff --git a/src/ATM.java b/src/code/GUI/ATM.java
similarity index 97%
rename from src/ATM.java
rename to src/code/GUI/ATM.java
index aa3d187..0aa2a88 100644
--- a/src/ATM.java
+++ b/src/code/GUI/ATM.java
@@ -1,3 +1,11 @@
+package code.GUI;
+
+import code.Business_logic.CashDispenser;
+import code.Business_logic.DepositSlot;
+import code.Database.BankDatabase;
+import code.Database.Deposit;
+import code.Database.Transaction;
+
 // ATM.java
 // Represents an automated teller machine
 
diff --git a/src/BalanceInquiry.java b/src/code/GUI/BalanceInquiry.java
similarity index 87%
rename from src/BalanceInquiry.java
rename to src/code/GUI/BalanceInquiry.java
index d45fa6a..39cfe1e 100644
--- a/src/BalanceInquiry.java
+++ b/src/code/GUI/BalanceInquiry.java
@@ -1,3 +1,9 @@
+package code.GUI;
+
+import code.Business_logic.Euro;
+import code.Database.BankDatabase;
+import code.Database.Transaction;
+
 // BalanceInquiry.java
 // Represents a balance inquiry ATM transaction
 
@@ -18,19 +24,19 @@ public void execute()
       Screen screen = getScreen();
 
       // get the available balance for the account involved
-      double availableBalance = 
+      Euro availableBalance = 
          bankDatabase.getAvailableBalance( getAccountNumber() );
 
       // get the total balance for the account involved
-      double totalBalance = 
+      Euro totalBalance = 
          bankDatabase.getTotalBalance( getAccountNumber() );
       
       // display the balance information on the screen
       screen.displayMessageLine( "\nBalance Information:" );
       screen.displayMessage( " - Available balance: " ); 
-      screen.displayDollarAmount( availableBalance );
+      screen.displayDollarAmount( new Euro(availableBalance.getValore()) );
       screen.displayMessage( "\n - Total balance:     " );
-      screen.displayDollarAmount( totalBalance );
+      screen.displayDollarAmount( new Euro(totalBalance.getValore()) );
       screen.displayMessageLine( "" );
    } // end method execute
 } // end class BalanceInquiry
diff --git a/src/Keypad.java b/src/code/GUI/Keypad.java
similarity index 98%
rename from src/Keypad.java
rename to src/code/GUI/Keypad.java
index cd035c7..6c6cd2a 100644
--- a/src/Keypad.java
+++ b/src/code/GUI/Keypad.java
@@ -1,3 +1,5 @@
+package code.GUI;
+
 // Keypad.java
 // Represents the keypad of the ATM
 import java.util.Scanner; // program uses Scanner to obtain user input
@@ -5,7 +7,6 @@
 public class Keypad
 {
    private Scanner input; // reads data from the command line
-                         
    // no-argument constructor initializes the Scanner
    public Keypad()
    {
diff --git a/src/Screen.java b/src/code/GUI/Screen.java
similarity index 94%
rename from src/Screen.java
rename to src/code/GUI/Screen.java
index 44d3f30..e083412 100644
--- a/src/Screen.java
+++ b/src/code/GUI/Screen.java
@@ -1,3 +1,7 @@
+package code.GUI;
+
+import code.Business_logic.Euro;
+
 // Screen.java
 // Represents the screen of the ATM
 
@@ -16,7 +20,7 @@ public void displayMessageLine( String message )
    } // end method displayMessageLine
 
    // display a dollar amount
-   public void displayDollarAmount( double amount )
+   public void displayDollarAmount( Euro amount )
    {
       System.out.printf( "$%,.2f", amount );   
    } // end method displayDollarAmount 
diff --git a/src/Withdrawal.java b/src/code/GUI/Withdrawal.java
similarity index 94%
rename from src/Withdrawal.java
rename to src/code/GUI/Withdrawal.java
index 6e0af62..f9dec69 100644
--- a/src/Withdrawal.java
+++ b/src/code/GUI/Withdrawal.java
@@ -1,3 +1,10 @@
+package code.GUI;
+
+import code.Business_logic.CashDispenser;
+import code.Business_logic.Euro;
+import code.Database.BankDatabase;
+import code.Database.Transaction;
+
 // Withdrawal.java
 // Represents a withdrawal ATM transaction
 
@@ -27,7 +34,7 @@ public Withdrawal( int userAccountNumber, Screen atmScreen,
    public void execute()
    {
       boolean cashDispensed = false; // cash was not dispensed yet
-      double availableBalance; // amount available for withdrawal
+      Euro availableBalance; // amount available for withdrawal
 
       // get references to bank database and screen
       BankDatabase bankDatabase = getBankDatabase(); 
@@ -47,13 +54,13 @@ public void execute()
                bankDatabase.getAvailableBalance( getAccountNumber() );
       
             // check whether the user has enough money in the account 
-            if ( amount <= availableBalance )
+            if ( amount <= availableBalance.getValore() )
             {   
                // check whether the cash dispenser has enough money
                if ( cashDispenser.isSufficientCashAvailable( amount ) )
                {
                   // update the account involved to reflect withdrawal
-                  bankDatabase.debit( getAccountNumber(), amount );
+                  bankDatabase.debit( getAccountNumber(), new Euro(amount) );
                   
                   cashDispenser.dispenseCash( amount ); // dispense cash
                   cashDispensed = true; // cash was dispensed
diff --git a/src/test/AccountTest.java b/src/test/AccountTest.java
new file mode 100644
index 0000000..8b41293
--- /dev/null
+++ b/src/test/AccountTest.java
@@ -0,0 +1,53 @@
+package test;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+import code.Database.Account;
+import code.Business_logic.Euro;
+
+
+public class AccountTest {
+  @Test
+  public void testGetAvailableBalance() {
+    Euro initialBalance = new Euro(10, 0);
+    Account account = new Account(1, 1234, initialBalance, initialBalance);
+    assertEquals(1000, account.getAvailableBalance().getValore());
+  }
+
+  @Test
+  public void testValidatePIN() {
+    Account account = new Account(1, 1234, new Euro(10, 0), new Euro(10, 0));
+    assertTrue(account.validatePIN(1234));
+    assertFalse(account.validatePIN(1111));
+  }
+
+  @Test
+  public void testCredit() {
+    Euro initialBalance = new Euro(10, 0);
+    Account account = new Account(1, 1234, initialBalance, initialBalance);
+    account.credit(new Euro(5, 0));
+    assertEquals(1500, account.getTotalBalance().getValore());
+  }
+
+  @Test
+  public void testGetAccountNumber() {
+    Account account = new Account(1, 1234, new Euro(10, 0), new Euro(10, 0));
+    assertEquals(1, account.getAccountNumber());
+  }
+
+  @Test
+  public void testGetTotalBalance() {
+    Euro initialBalance = new Euro(10, 0);
+    Account account = new Account(1, 1234, initialBalance, initialBalance);
+    assertEquals(1000, account.getTotalBalance().getValore());
+  }
+
+  @Test
+  public void testDebit() {
+    Account account = new Account(1, 1234, new Euro(10, 0), new Euro(10, 0));
+    account.debit(new Euro(5, 0));
+    assertEquals(500, account.getAvailableBalance().getValore());
+    assertEquals(500, account.getTotalBalance().getValore());
+  }
+}
diff --git a/src/test/BankDatabaseTest.java b/src/test/BankDatabaseTest.java
new file mode 100644
index 0000000..db892d1
--- /dev/null
+++ b/src/test/BankDatabaseTest.java
@@ -0,0 +1,49 @@
+package test;
+
+import org.junit.Test;
+import org.junit.Before;
+import static org.junit.Assert.*;
+
+import code.Business_logic.Euro;
+import code.Database.BankDatabase;
+
+public class BankDatabaseTest {
+  private BankDatabase bankDatabase;
+
+  @Before
+  public void setUp() {
+    bankDatabase = new BankDatabase();
+  }
+
+  @Test
+  public void testAuthenticateUser() {
+    assertTrue(bankDatabase.authenticateUser(12345, 54321));
+    assertFalse(bankDatabase.authenticateUser(12345, 9999));
+    assertFalse(bankDatabase.authenticateUser(9999, 54321));
+  }
+
+  @Test
+  public void testGetAvailableBalance() {
+    assertEquals(100000, bankDatabase.getAvailableBalance(12345).getValore());
+    assertEquals(20000, bankDatabase.getAvailableBalance(98765).getValore());
+  }
+
+  @Test
+  public void testGetTotalBalance() {
+    assertEquals(120000, bankDatabase.getTotalBalance(12345).getValore());
+    assertEquals(20000, bankDatabase.getTotalBalance(98765).getValore());
+  }
+
+  @Test
+  public void testCredit() {
+    bankDatabase.credit(12345, new Euro(500.0));
+    assertEquals(170000, bankDatabase.getTotalBalance(12345).getValore());
+  }
+
+  @Test
+  public void testDebit() {
+    bankDatabase.debit(98765, new Euro(100.0));
+    assertEquals(10000, bankDatabase.getAvailableBalance(98765).getValore());
+    assertEquals(10000, bankDatabase.getTotalBalance(98765).getValore());
+  }
+}
diff --git a/src/test/EuroTest.java b/src/test/EuroTest.java
new file mode 100644
index 0000000..75c7b04
--- /dev/null
+++ b/src/test/EuroTest.java
@@ -0,0 +1,70 @@
+package test;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+import code.Business_logic.Euro;
+
+public class EuroTest {
+  @Test
+  public void testCostruttoreConDueParametriPositivi() {
+    Euro euro = new Euro(5, 50);
+    assertEquals(550, euro.getValore());
+  }
+
+  @Test
+  public void testCostruttoreConDueParametriDiCuiEuroNegativo() {
+    Euro euro = new Euro(-5, 50);
+    assertEquals(-550, euro.getValore());
+  }
+
+  @Test
+  public void testCostruttoreConSingoloParametro() {
+    Euro euro = new Euro(5.50);
+    assertEquals(550, euro.getValore());
+  }
+
+  @Test
+  public void testSomma() {
+    Euro euro1 = new Euro(5, 50);
+    Euro euro2 = new Euro(3, 75);
+
+    Euro risultato = euro1.somma(euro2);
+    assertEquals(925, risultato.getValore());
+  }
+
+  @Test
+  public void testSottrai() {
+    Euro euro1 = new Euro(5, 50);
+    Euro euro2 = new Euro(3, 75);
+
+    Euro risultato = euro1.sottrai(euro2);
+    assertEquals(175, risultato.getValore());
+  }
+
+  @Test
+  public void testUgualeA() {
+    Euro euro1 = new Euro(5, 50);
+    Euro euro2 = new Euro(5, 50);
+    assertTrue(euro1.ugualeA(euro2));
+
+    Euro euro3 = new Euro(8, 25);
+    assertFalse(euro1.ugualeA(euro3));
+  }
+
+  @Test
+  public void testMinoreDi() {
+    Euro euro1 = new Euro(5, 50);
+    Euro euro2 = new Euro(8, 25);
+    assertTrue(euro1.minoreDi(euro2));
+
+    Euro euro3 = new Euro(3, 75);
+    assertFalse(euro1.minoreDi(euro3));
+  }
+
+  @Test
+  public void testStampa() {
+    Euro euro = new Euro(5, 50);
+    assertEquals("5.5 euro", euro.stampa());
+  }
+}