src/main/java/de/hitec/nhplus/fixtures/NurseFixture.java

@@ -25,7 +25,7 @@ public class NurseFixture implements Fixture<Nurse> {
     @Override
     public void setupTable(Connection connection) {
         final String SQL = "CREATE TABLE IF NOT EXISTS nurse (" +
-                "tid INTEGER PRIMARY KEY AUTOINCREMENT, " +
+                "id INTEGER PRIMARY KEY AUTOINCREMENT, " +
                 "firstname TEXT NOT NULL, " +
                 "surname TEXT NOT NULL, " +
                 "phoneNumber TEXT NOT NULL" +

src/main/java/de/hitec/nhplus/nurse/AllNurseController.java

@@ -28,9 +28,9 @@ public class AllNurseController {
     private NurseDao dao;
 
     public void initialize() {
-        this.readAllAndSHowInTableView();
+        this.readAllAndShowInTableView();
 
-        this.columnId.setCellValueFactory(new PropertyValueFactory<>("nid"));
+        this.columnId.setCellValueFactory(new PropertyValueFactory<>("id"));
 
         this.columnFirstName.setCellValueFactory(new PropertyValueFactory<>("firstName"));
         this.columnFirstName.setCellFactory(TextFieldTableCell.forTableColumn());
@@ -45,7 +45,7 @@ public class AllNurseController {
         this.tableView.setItems(this.nurses);
     }
 
-    private void readAllAndSHowInTableView(){
+    private void readAllAndShowInTableView(){
         this.nurses.clear();
         this.dao = DaoFactory.getDaoFactory().createNurseDAO();
         try {

src/main/java/de/hitec/nhplus/nurse/Nurse.java

@@ -1,11 +1,11 @@
 package de.hitec.nhplus.nurse;
 
 import de.hitec.nhplus.main.Person;
-import javafx.beans.property.SimpleLongProperty;
+import javafx.beans.property.SimpleIntegerProperty;
 import javafx.beans.property.SimpleStringProperty;
 
 public class Nurse extends Person {
-    private SimpleLongProperty nid;
+    private SimpleIntegerProperty id;
     private final SimpleStringProperty phoneNumber;
 
     public Nurse(
@@ -18,13 +18,13 @@ public class Nurse extends Person {
     }
 
     public Nurse(
-            long nid,
+            int id,
             String firstName,
             String surname,
             String phoneNumber
     ) {
         super(firstName, surname);
-        this.nid = new SimpleLongProperty(nid);
+        this.id = new SimpleIntegerProperty(id);
         this.phoneNumber = new SimpleStringProperty(phoneNumber);
     }
 
@@ -32,12 +32,12 @@ public class Nurse extends Person {
         this.phoneNumber.set(phoneNumber);
     }
 
-    public long getNid() {
+    public int getId() {
-        return nid.get();
+        return id.get();
     }
 
-    public SimpleLongProperty nidProperty() {
+    public SimpleIntegerProperty idProperty() {
-        return nid;
+        return id;
     }
 
     public String getPhoneNumber() {
@@ -47,4 +47,15 @@ public class Nurse extends Person {
     public SimpleStringProperty phoneNumberProperty() {
         return phoneNumber;
     }
+
+    @Override
+    public String toString() {
+        return new StringBuilder()
+                .append("Nurse").append(System.lineSeparator())
+                .append("Firstname: ").append(this.getFirstName()).append(System.lineSeparator())
+                .append("Surname: ").append(this.getSurname()).append(System.lineSeparator())
+                .append("PhoneNumber: ").append(this.getPhoneNumber()).append(System.lineSeparator())
+                .toString();
+
+    }
 }

src/main/java/de/hitec/nhplus/nurse/NurseDao.java

@@ -30,12 +30,12 @@ public class NurseDao extends DaoImp<Nurse> {
     }
 
     @Override
-    protected PreparedStatement getReadByIDStatement(int nid) {
+    protected PreparedStatement getReadByIDStatement(int id) {
         PreparedStatement preparedStatement = null;
         try {
-            final String SQL = "SELECT * FROM nurse WHERE nid = ?";
+            final String SQL = "SELECT * FROM nurse WHERE id = ?";
             preparedStatement = this.connection.prepareStatement(SQL);
-            preparedStatement.setInt(1, nid);
+            preparedStatement.setInt(1, id);
         } catch (SQLException exception) {
             exception.printStackTrace();
         }
@@ -45,7 +45,7 @@ public class NurseDao extends DaoImp<Nurse> {
     @Override
     protected Nurse getInstanceFromResultSet(ResultSet result) throws SQLException {
         return new Nurse(
-                result.getLong(1),
+                result.getInt(1),
                 result.getString(2),
                 result.getString(3),
                 result.getString(4)
@@ -69,7 +69,7 @@ public class NurseDao extends DaoImp<Nurse> {
         ArrayList<Nurse> list = new ArrayList<>();
         while (result.next()) {
             list.add(new Nurse(
-                    result.getLong(1),
+                    result.getInt(1),
                     result.getString(2),
                     result.getString(3),
                     result.getString(4)
@@ -88,12 +88,12 @@ public class NurseDao extends DaoImp<Nurse> {
                             "firstname = ?, " +
                             "surname = ?, " +
                             "phoneNumber = ?, " +
-                            "WHERE nid = ?";
+                            "WHERE id = ?";
             preparedStatement = this.connection.prepareStatement(SQL);
             preparedStatement.setString(1, nurse.getFirstName());
             preparedStatement.setString(2, nurse.getSurname());
             preparedStatement.setString(3, nurse.getPhoneNumber());
-            preparedStatement.setLong(4, nurse.getNid());
+            preparedStatement.setInt(4, nurse.getId());
         } catch (SQLException exception) {
             exception.printStackTrace();
         }
@@ -101,12 +101,12 @@ public class NurseDao extends DaoImp<Nurse> {
     }
 
     @Override
-    protected PreparedStatement getDeleteStatement(int nid) {
+    protected PreparedStatement getDeleteStatement(int id) {
         PreparedStatement preparedStatement = null;
         try {
-            final String SQL = "DELETE FROM nurse WHERE nid = ?";
+            final String SQL = "DELETE FROM nurse WHERE id = ?";
             preparedStatement = this.connection.prepareStatement(SQL);
-            preparedStatement.setInt(1, nid);
+            preparedStatement.setInt(1, id);
         } catch (SQLException exception) {
             exception.printStackTrace();
         }