diff --git a/bin/.gitignore b/bin/.gitignore
index dfe691c..1871611 100644
--- a/bin/.gitignore
+++ b/bin/.gitignore
@@ -1,2 +1,3 @@
 /VistaControlador/
 /Logica/
+/IniciarSesion/
diff --git a/bin/Logica/Transaccion.class b/bin/Logica/Transaccion.class
index e330ed9..30dd48f 100644
Binary files a/bin/Logica/Transaccion.class and b/bin/Logica/Transaccion.class differ
diff --git a/src/IniciarSesion/Usuario.java b/src/IniciarSesion/Usuario.java
new file mode 100644
index 0000000..ee59957
--- /dev/null
+++ b/src/IniciarSesion/Usuario.java
@@ -0,0 +1,27 @@
+package IniciarSesion;
+
+import java.io.Serializable;
+
+public class Usuario implements Serializable{
+	String nombre;
+	String contrasenia;
+	boolean admin;
+	
+	public Usuario(String nombre, String contrasenia, boolean admin) {
+		this.admin = admin;
+		this.nombre = nombre;
+		this.contrasenia = contrasenia;
+	}
+	
+	public boolean comprobar(String contrasenia) {
+		if(this.contrasenia.equals(contrasenia)) {
+			return true;
+		}
+		return false;
+	}
+	
+	public String getUsuario() {
+		return this.nombre;
+	}
+	
+}
diff --git a/src/IniciarSesion/Validacion.java b/src/IniciarSesion/Validacion.java
new file mode 100644
index 0000000..f9ad8dd
--- /dev/null
+++ b/src/IniciarSesion/Validacion.java
@@ -0,0 +1,8 @@
+package IniciarSesion;
+
+import java.io.File;
+
+public class Validacion {
+	File fichero;
+	
+}
diff --git a/src/Logica/Gestion.java b/src/Logica/Gestion.java
index 38414fa..d24f556 100644
--- a/src/Logica/Gestion.java
+++ b/src/Logica/Gestion.java
@@ -13,15 +13,15 @@ public class Gestion{
 	
 	public Gestion() {
 		this.gestiones=new Vector<Transaccion>();
-		this.suma=0;
-		Gestion.total=0;
+		this.suma = 0;
+		Gestion.total = 0;
 	}
 	
 	public Gestion(String nombre) {
-		this.gestiones=new Vector<Transaccion>();
-		this.suma=0;
-		Gestion.total=0;
-		this.nombre=nombre;
+		this.gestiones = new Vector<Transaccion>();
+		this.suma = 0;
+		Gestion.total = 0;
+		this.nombre = nombre;
 	}
 	
 	public String getNombre() {
@@ -30,11 +30,11 @@ public class Gestion{
 	
 	public void aniadirGasto(Transaccion transaccion) {
 		this.gestiones.add(transaccion);
-		this.suma+=transaccion.getDinero();
+		this.suma += transaccion.getDinero();
 		if(transaccion.isPositivo()) {
-			Gestion.total+=transaccion.getDinero();
+			Gestion.total += transaccion.getDinero();
 		}else {
-			Gestion.total-=transaccion.getDinero();
+			Gestion.total -= transaccion.getDinero();
 		}
 	}
 	
@@ -52,18 +52,18 @@ public class Gestion{
 	
 	public void alterarVisibilidad(int elemento) {
 		if(this.gestiones.get(elemento).alterarVisivilidad()) {
-			this.suma+=this.gestiones.get(elemento).getDinero();
+			this.suma += this.gestiones.get(elemento).getDinero();
 			if(this.gestiones.get(elemento).isPositivo()) {
-				Gestion.total+=this.gestiones.get(elemento).getDinero();
+				Gestion.total += this.gestiones.get(elemento).getDinero();
 			}else {
-				Gestion.total-=this.gestiones.get(elemento).getDinero();
+				Gestion.total -= this.gestiones.get(elemento).getDinero();
 			}
 		}else {
-			this.suma-=this.gestiones.get(elemento).getDinero();
+			this.suma -= this.gestiones.get(elemento).getDinero();
 			if(this.gestiones.get(elemento).isPositivo()) {
-				Gestion.total-=this.gestiones.get(elemento).getDinero();
+				Gestion.total -= this.gestiones.get(elemento).getDinero();
 			}else {
-				Gestion.total+=this.gestiones.get(elemento).getDinero();
+				Gestion.total += this.gestiones.get(elemento).getDinero();
 			}
 		}
 	}
diff --git a/src/Logica/Meses.java b/src/Logica/Meses.java
index e9883fb..fd520f1 100644
--- a/src/Logica/Meses.java
+++ b/src/Logica/Meses.java
@@ -8,13 +8,13 @@ private ArrayList<Mes> meses;
 	private int mesActual=0;
 	
 	public Meses() {
-		this.meses=new ArrayList<Mes>();
+		this.meses = new ArrayList<Mes>();
 	}
 	
 	public void aniadirTransaccion(Transaccion transaccion, String nombre) {
 		for(Mes mes:this.meses) {
 			if(transaccion.getDia().getMonth().equals(mes.getMes()) &&
-					transaccion.getDia().getYear()==mes.getAnio()){
+					transaccion.getDia().getYear() == mes.getAnio()){
 				mes.aniadirTransaccion(transaccion, nombre);
 				return;
 			}
@@ -24,9 +24,9 @@ private ArrayList<Mes> meses;
 	}
 	
 	public void elegirMes(int anio, Month mes) {
-		for(int i=0;i<this.meses.size();i++) {
+		for(int i = 0; i < this.meses.size(); i++) {
 			if(this.meses.get(i).getAnio()==anio && this.meses.get(i).getMes().equals(mes)) {
-				this.mesActual=0;
+				this.mesActual = 0;
 			}
 		}
 	}
@@ -35,9 +35,6 @@ private ArrayList<Mes> meses;
 		return this.meses.get(this.mesActual).getGestiones();
 	}
 	
-	
-	
-
 }
 
 class Mes{
@@ -46,7 +43,7 @@ class Mes{
 	int total;
 	ArrayList<Gestion> gestiones;
 	Mes(ArrayList<Gestion> gestiones){
-		this.gestiones=gestiones;
+		this.gestiones = gestiones;
 	}
 	
 	void aniadirTransaccion(Transaccion transaccion, String nombre) {
diff --git a/src/Logica/Transaccion.java b/src/Logica/Transaccion.java
index e5700fd..1d4e94e 100644
--- a/src/Logica/Transaccion.java
+++ b/src/Logica/Transaccion.java
@@ -10,23 +10,23 @@ public class Transaccion {
 	private boolean positivo;
 	
 	public Transaccion(String nombre, float dinero){
-		this.nombre=nombre;
-		this.dinero=dinero;
-		this.visible=true;
-		this.dia=LocalDate.now();
-		this.positivo=true;
+		this.nombre = nombre;
+		this.dinero = dinero;
+		this.visible = true;
+		this.dia = LocalDate.now();
+		this.positivo = true;
 	}
 	
 	public Transaccion(String nombre, float dinero, LocalDate dia, boolean positivo){
-		this.nombre=nombre;
-		this.dinero=dinero;
-		this.visible=true;
-		this.positivo=positivo;
-		this.dia=dia;
+		this.nombre = nombre;
+		this.dinero = dinero;
+		this.visible = true;
+		this.positivo = positivo;
+		this.dia = dia;
 	}
 	
 	public String toString() {
-		return this.nombre+" "+this.dinero;
+		return this.nombre + " " + this.dinero;
 	}
 	
 	public boolean getVisivilidad() {
@@ -34,16 +34,11 @@ public class Transaccion {
 	}
 	
 	public boolean alterarVisivilidad() {
-		this.visible=!this.visible;
+		this.visible =! this.visible;
 		return this.visible;
 	}
 	
 	public float getDinero() {
-		/*if(positivo) {
-			return this.dinero;
-		}else {
-			return -this.dinero;
-		}*/
 		return this.dinero;
 	}
 	
diff --git a/src/VistaControlador/CheckBoxList.java b/src/VistaControlador/CheckBoxList.java
index 5de3ef2..b666d2a 100644
--- a/src/VistaControlador/CheckBoxList.java
+++ b/src/VistaControlador/CheckBoxList.java
@@ -12,7 +12,7 @@ class CheckBoxList<E> extends JCheckBox implements ListCellRenderer<E> {
 	private static final long serialVersionUID = 3734536442230283966L;
 
 	@Override
-	public Component getListCellRendererComponent(JList<? extends E> list,E value, int index, boolean isSelected, boolean cellHasFocus) {
+	public Component getListCellRendererComponent(JList<? extends E> list, E value, int index, boolean isSelected, boolean cellHasFocus) {
 		setComponentOrientation(list.getComponentOrientation());
 
 		setFont(list.getFont());
diff --git a/src/VistaControlador/ControladorAniadirVisualizar.java b/src/VistaControlador/ControladorAniadirVisualizar.java
index 325b857..bf0cfff 100644
--- a/src/VistaControlador/ControladorAniadirVisualizar.java
+++ b/src/VistaControlador/ControladorAniadirVisualizar.java
@@ -13,20 +13,20 @@ public class ControladorAniadirVisualizar implements ActionListener,ChangeListen
 
 	private VistaAniadirVisualizar vista;
 	public ControladorAniadirVisualizar(VistaAniadirVisualizar vista) {
-		this.vista=vista;
+		this.vista = vista;
 		this.aniadirListeners();
 	}
 
 	public void actionPerformed(ActionEvent e) {
 		if(e.getActionCommand().equals(this.vista.boton.getActionCommand())) {
 			String nombre=JOptionPane.showInputDialog("Introduce un nuevo gasto o ingreso");
-			if(nombre==null) return;
+			if(nombre == null) return;
 			if(nombre.equals("")) {
 				JOptionPane.showMessageDialog(null, "Debe introducir algo", "error", JOptionPane.WARNING_MESSAGE);
 				return;
 			}
-			String dinero=JOptionPane.showInputDialog("Introduce a cuanto asciende");
-			if(dinero==null) return;
+			String dinero = JOptionPane.showInputDialog("Introduce a cuanto asciende");
+			if(dinero == null) return;
 			if(dinero.equals("")) {
 				JOptionPane.showMessageDialog(null, "Debe introducir algo", "error", JOptionPane.WARNING_MESSAGE);
 				return;
@@ -41,8 +41,8 @@ public class ControladorAniadirVisualizar implements ActionListener,ChangeListen
 				JOptionPane.showMessageDialog(null, "Debe introducir un numero", "error", JOptionPane.WARNING_MESSAGE);
 			}
 		}else {
-			JCheckBox pulsado=(JCheckBox)e.getSource();
-			for(int i=0;i<vista.gestiones.getElementos().size();i++) {
+			JCheckBox pulsado = (JCheckBox)e.getSource();
+			for(int i = 0; i < vista.gestiones.getElementos().size();i++) {
 				if(vista.gestiones.getElementos().get(i).toString().equals(pulsado.getText())) {
 					vista.gestiones.alterarVisibilidad(i);
 					this.vista.menu.panel.actualizarDatos(this.vista.gestiones);
@@ -56,7 +56,7 @@ public class ControladorAniadirVisualizar implements ActionListener,ChangeListen
 	private void aniadirListeners() {
 		vista.boton.addActionListener(this);
 		vista.boton.setActionCommand("Aniadir");
-		int contador=0;
+		int contador = 0;
 		for(JCheckBox check:this.vista.transacciones) {
 			check.addActionListener(this);
 			check.setActionCommand("pulsar "+contador);
diff --git a/src/VistaControlador/ControladorPanelLateral.java b/src/VistaControlador/ControladorPanelLateral.java
index d569405..9f873f1 100644
--- a/src/VistaControlador/ControladorPanelLateral.java
+++ b/src/VistaControlador/ControladorPanelLateral.java
@@ -26,33 +26,30 @@ public class ControladorPanelLateral implements ActionListener, DateChangeListen
 	
 	
 	public ControladorPanelLateral(VistaPanelLateral vista) {
-		this.vista=vista;
+		this.vista = vista;
 		this.aniadirElementos();
 	}
 	
 	public void actionPerformed(ActionEvent e) {
 		if(e.getActionCommand().equals(this.vista.mostrarEstadisticas.getActionCommand())) {
 			
-			XYSeries serie=new XYSeries("Mes");
+			XYSeries serie = new XYSeries("Mes");
 			serie.add(10,1);
 			serie.add(4,2);
 			serie.add(90,10);
-			XYSeriesCollection dataset=new XYSeriesCollection(serie);
-			JFreeChart chart=ChartFactory.createXYLineChart("Mes", "Dias", "Gastos", dataset);
-			ChartFrame frame=new ChartFrame("Estadisricas", chart);
+			XYSeriesCollection dataset = new XYSeriesCollection(serie);
+			JFreeChart chart = ChartFactory.createXYLineChart("Mes", "Dias", "Gastos", dataset);
+			ChartFrame frame = new ChartFrame("Estadisricas", chart);
 			frame.setVisible(true);
 			frame.setSize(700,500);
 		}
-		//}else if(e.getActionCommand().equals(this.vista.elegirMes.getActionCommand())){
-			
-		//}
 		
 	}
 	
 	private void aniadirElementos() {
 		this.vista.mostrarEstadisticas.addActionListener(this);
 		this.vista.mostrarEstadisticas.setActionCommand("Mostrar estadisticas");
-		if(VistaPanelLateral.elegirMes.getDateChangeListeners().size()==0) {
+		if(VistaPanelLateral.elegirMes.getDateChangeListeners().size() == 0) {
 			VistaPanelLateral.elegirMes.addDateChangeListener(this);
 			this.mes=VistaPanelLateral.elegirMes.getDate().getMonth();
 			this.anio=VistaPanelLateral.elegirMes.getDate().getYear();
diff --git a/src/VistaControlador/Menu.java b/src/VistaControlador/Menu.java
index e80c6b5..d40be6a 100644
--- a/src/VistaControlador/Menu.java
+++ b/src/VistaControlador/Menu.java
@@ -24,19 +24,19 @@ public class Menu extends JFrame{
 	protected Gestion datosIngresos;
 	public Menu() {
 		VistaAniadirVisualizar.setPanelLateral(panel);
-		this.datosGastos=new Gestion();
-		this.datosIngresos=new Gestion();
+		this.datosGastos = new Gestion();
+		this.datosIngresos = new Gestion();
 		this.setLayout(new GridBagLayout());
-		GridBagConstraints constrain=new GridBagConstraints();
-		this.panel=new VistaPanelLateral(constrain);
-		this.ingresos=new VistaAniadirVisualizar(this,datosIngresos,true);
-		this.gastos=new VistaAniadirVisualizar(this,datosGastos,false);
-		this.panelCentral=new JPanel();
-		this.pestania=new JTabbedPane();
-		constrain.fill=GridBagConstraints.VERTICAL;
-		constrain.gridx=0;
-		constrain.gridy=0;
-		constrain.weightx=2;
+		GridBagConstraints constrain = new GridBagConstraints();
+		this.panel = new VistaPanelLateral(constrain);
+		this.ingresos = new VistaAniadirVisualizar(this,datosIngresos,true);
+		this.gastos = new VistaAniadirVisualizar(this,datosGastos,false);
+		this.panelCentral = new JPanel();
+		this.pestania = new JTabbedPane();
+		constrain.fill = GridBagConstraints.VERTICAL;
+		constrain.gridx = 0;
+		constrain.gridy = 0;
+		constrain.weightx = 2;
 		this.panelCentral.add(pestania,constrain);
 		this.pestania.addTab("Ingresos", ingresos);
 		this.pestania.addTab("Gastos", gastos);
@@ -45,17 +45,12 @@ public class Menu extends JFrame{
 		setSize(new Dimension(420,320));
 		setDefaultCloseOperation(3);
 		setLocationRelativeTo(null);
-		ControladorAniadirVisualizar controlador=new ControladorAniadirVisualizar(this.ingresos);
-		ControladorAniadirVisualizar controlador2=new ControladorAniadirVisualizar(this.gastos);
-		ControladorPanelLateral controlador3=new ControladorPanelLateral(this.panel);
-		/*constrain.fill=GridBagConstraints.HORIZONTAL;
-		constrain.gridx=1;
-		constrain.gridy=0;
-		constrain.weightx=1;
-		constrain.weighty=2;*/
+		ControladorAniadirVisualizar controlador = new ControladorAniadirVisualizar(this.ingresos);
+		ControladorAniadirVisualizar controlador2 = new ControladorAniadirVisualizar(this.gastos);
+		ControladorPanelLateral controlador3 = new ControladorPanelLateral(this.panel);
 		this.panel.actualizarDatos(datosIngresos);
 		this.pestania.addChangeListener((ChangeListener)->{
-			if(this.pestania.getSelectedIndex()==0) {
+			if(this.pestania.getSelectedIndex() == 0) {
 				this.panel.actualizarDatos(datosIngresos);
 			}else {
 				this.panel.actualizarDatos(datosGastos);
@@ -64,6 +59,4 @@ public class Menu extends JFrame{
 		this.add(this.panel);
 	}
 	
-	
-	
 }
diff --git a/src/VistaControlador/VistaAniadirVisualizar.java b/src/VistaControlador/VistaAniadirVisualizar.java
index e001dec..0b678c9 100644
--- a/src/VistaControlador/VistaAniadirVisualizar.java
+++ b/src/VistaControlador/VistaAniadirVisualizar.java
@@ -23,16 +23,15 @@ public class VistaAniadirVisualizar extends JPanel{
 	boolean positivo;
 	static VistaPanelLateral panelLateral;
 	public VistaAniadirVisualizar(Menu menu, Gestion gestion,boolean positivo) {
-		this.positivo=positivo;
-		this.gestiones=gestion;
-		this.transacciones=new LinkedList<JCheckBox>();
-		this.menu=menu;
-		this.x=100;
-		this.boton=new JButton("aniadir");
-		//this.gestiones=new Gestion();
+		this.positivo = positivo;
+		this.gestiones = gestion;
+		this.transacciones = new LinkedList<JCheckBox>();
+		this.menu = menu;
+		this.x = 100;
+		this.boton = new JButton("aniadir");
 		this.add(boton);
-		this.cuadro=new JPanel();
-		this.panel=new JScrollPane(cuadro);
+		this.cuadro = new JPanel();
+		this.panel = new JScrollPane(cuadro);
 		this.panel.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
 		this.panel.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
 		cuadro.setPreferredSize(new Dimension(x, y));
@@ -42,19 +41,19 @@ public class VistaAniadirVisualizar extends JPanel{
 	}
 	
 	public static void setPanelLateral(VistaPanelLateral panel) {
-		VistaAniadirVisualizar.panelLateral=panel;
+		VistaAniadirVisualizar.panelLateral = panel;
 	}
 	
 	public void aniadirElemento(String nombre, float dinero, ControladorAniadirVisualizar controlador) {
-		Transaccion transaccion=new Transaccion(nombre, dinero,panelLateral.getDate(),this.positivo);
+		Transaccion transaccion = new Transaccion(nombre, dinero,panelLateral.getDate(),this.positivo);
 		this.gestiones.aniadirGasto(transaccion);
-		JCheckBox check=new JCheckBox(transaccion.toString());
+		JCheckBox check = new JCheckBox(transaccion.toString());
 		check.setSelected(true);
 		check.setSize(new Dimension(x,VistaAniadirVisualizar.altoCheck));
 		check.addActionListener(controlador);
 		this.transacciones.add(check);
 		this.cuadro.add(check);
-		this.y+=VistaAniadirVisualizar.altoCheck;
+		this.y += VistaAniadirVisualizar.altoCheck;
 		cuadro.setPreferredSize(new Dimension(x, y));
 		this.revalidate();
 		this.repaint();
diff --git a/src/VistaControlador/VistaPanelLateral.java b/src/VistaControlador/VistaPanelLateral.java
index 8999f45..2120abf 100644
--- a/src/VistaControlador/VistaPanelLateral.java
+++ b/src/VistaControlador/VistaPanelLateral.java
@@ -17,32 +17,32 @@ public class VistaPanelLateral extends JPanel{
 	protected JTextArea total;
 	protected JTextArea gastoEnvio;
 	//protected JButton elegirMes;
-	protected static DatePicker elegirMes=inicializarCalendario();
+	protected static DatePicker elegirMes = inicializarCalendario();
 	protected JButton mostrarEstadisticas;
 	
 	VistaPanelLateral(GridBagConstraints constrain){
 		this.setPreferredSize(new Dimension(200,200));
-		this.total=new JTextArea();
-		this.gastoEnvio=new JTextArea();
-		this.mostrarEstadisticas=new JButton("Mostrar grafico del mes");
+		this.total = new JTextArea();
+		this.gastoEnvio = new JTextArea();
+		this.mostrarEstadisticas = new JButton("Mostrar grafico del mes");
 		this.add(this.mostrarEstadisticas);
-		constrain.gridx=1;
-		constrain.gridy=0;
-		constrain.weightx=2;
+		constrain.gridx = 1;
+		constrain.gridy = 0;
+		constrain.weightx = 2;
 		this.add(VistaPanelLateral.elegirMes);
-		constrain.gridx=1;
-		constrain.gridy=1;
-		constrain.weightx=2;
+		constrain.gridx = 1;
+		constrain.gridy = 1;
+		constrain.weightx = 2;
 		this.add(this.total);
-		constrain.gridx=1;
-		constrain.gridy=2;
-		constrain.weightx=2;
+		constrain.gridx = 1;
+		constrain.gridy = 2;
+		constrain.weightx = 2;
 		this.add(this.gastoEnvio);
 	}
 	
 	void actualizarDatos(Gestion gestion) {
-		this.total.setText("Total: "+String.valueOf(Gestion.getTotal())+"€");
-		this.gastoEnvio.setText("Suma: "+String.valueOf(gestion.getSuma())+"€");
+		this.total.setText("Total: " + String.valueOf(Gestion.getTotal()) + "€");
+		this.gastoEnvio.setText("Suma: " + String.valueOf(gestion.getSuma()) + "€");
 	}
 	
 	static LocalDate getDate() {
@@ -50,7 +50,7 @@ public class VistaPanelLateral extends JPanel{
 	}
 	
 	static DatePicker inicializarCalendario() {
-		DatePicker ret=new DatePicker();
+		DatePicker ret = new DatePicker();
 		ret.setDate(LocalDate.now());
 		return ret;
 	}