Añadida funcionalidad checkbox

src/VistaControlador/Menu.java

@@ -1,27 +1,39 @@
 package VistaControlador;
 
 import java.awt.Dimension;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
 
+import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JTabbedPane;
+import javax.swing.JTextArea;
+
+import Logica.Gestion;
 
 public class Menu extends JFrame{
 	protected JPanel panelCentral;
 	protected JTabbedPane pestania;
 	protected Vista ingresos;
 	protected Vista gastos;
-	
+	protected JTextArea total;
 	public Menu() {
 		init();
 	}
 	
 	private void init() {
+		this.setLayout(new GridBagLayout());
+		GridBagConstraints constrain=new GridBagConstraints();
 		this.ingresos=new Vista(this);
 		this.gastos=new Vista(this);
 		this.panelCentral=new JPanel();
 		this.pestania=new JTabbedPane();
-		this.panelCentral.add(pestania);
+		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);
 		getContentPane().add(pestania);
@@ -32,6 +44,13 @@ public class Menu extends JFrame{
 		setLocationRelativeTo(null);
 		Controlador controlador=new Controlador(this.ingresos);
 		Controlador controlador2=new Controlador(this.gastos);
+		constrain.fill=GridBagConstraints.HORIZONTAL;
+		constrain.gridx=1;
+		constrain.gridy=0;
+		constrain.weightx=1;
+		constrain.weighty=2;
+		this.total=new JTextArea(String.valueOf(Gestion.getTotal()));
+		this.add(this.total,constrain);
 	}
 	
 }