Well I'm trying to make an application on 2 screens the first one to set the values and the second screen to get the values the first
isworkingnormalCode:
/**Tochangethislicenseheader,chooseLicenseHeadersinProjectProperties.*Tochangethistemplatefile,chooseTools|Templates*andopenthetemplateintheeditor.*/packagecalculadoraimc;importstaticjavax.swing.JFrame.EXIT_ON_CLOSE;/****@authorSpiriT*/publicclassNewJFrameextendsjavax.swing.JFrame{/***CreatesnewformNewJFrame*/publicNewJFrame(){initComponents();setSize(600,600);setDefaultCloseOperation(EXIT_ON_CLOSE);this.setResizable(false);}/***Thismethodiscalledfromwithintheconstructortoinitializetheform.*WARNING:DoNOTmodifythiscode.Thecontentofthismethodisalways*regeneratedbytheFormEditor.*/@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();
TextField_Peso = new javax.swing.JTextField();
TextField_Altura = new javax.swing.JTextField();
Peso_Label = new javax.swing.JLabel();
Altura_Label = new javax.swing.JLabel();
TextField_Nome = new javax.swing.JTextField();
Nome_Label = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
JFundo = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Calculadora de IMC");
setBackground(new java.awt.Color(102, 102, 255));
setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
setMaximumSize(new java.awt.Dimension(600, 600));
setPreferredSize(new java.awt.Dimension(600, 600));
getContentPane().setLayout(null);
jButton1.setBackground(new java.awt.Color(255, 255, 255));
jButton1.setFont(new java.awt.Font("Arial Black", 0, 24)); // NOI18N
jButton1.setText("Calcular");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
getContentPane().add(jButton1);
jButton1.setBounds(190, 490, 240, 60);
TextField_Peso.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TextField_PesoActionPerformed(evt);
}
});
getContentPane().add(TextField_Peso);
TextField_Peso.setBounds(260, 290, 180, 30);
getContentPane().add(TextField_Altura);
TextField_Altura.setBounds(260, 330, 180, 30);
Peso_Label.setFont(new java.awt.Font("Arial Black", 2, 24)); // NOI18N
Peso_Label.setForeground(new java.awt.Color(255, 255, 255));
Peso_Label.setText("Peso");
getContentPane().add(Peso_Label);
Peso_Label.setBounds(170, 290, 110, 30);
Altura_Label.setFont(new java.awt.Font("Arial Black", 2, 24)); // NOI18N
Altura_Label.setForeground(new java.awt.Color(255, 255, 255));
Altura_Label.setText("Altura");
getContentPane().add(Altura_Label);
Altura_Label.setBounds(160, 330, 110, 30);
getContentPane().add(TextField_Nome);
TextField_Nome.setBounds(260, 370, 180, 30);
Nome_Label.setFont(new java.awt.Font("Arial Black", 2, 24)); // NOI18N
Nome_Label.setForeground(new java.awt.Color(255, 255, 255));
Nome_Label.setText("Nome");
getContentPane().add(Nome_Label);
Nome_Label.setBounds(160, 370, 110, 30);
jLabel2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/calculadoraimc/ftc.png"))); // NOI18N
getContentPane().add(jLabel2);
jLabel2.setBounds(130, 90, 410, 150);
JFundo.setIcon(new javax.swing.ImageIcon(getClass().getResource("/calculadoraimc/fd.jpg"))); // NOI18N
JFundo.setText("jLabel1");
getContentPane().add(JFundo);
JFundo.setBounds(0, 0, 612, 644);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String nome = TextField_Nome.getText();
double peso = Double.parseDouble(TextField_Peso.getText());
double altura = Double.parseDouble(TextField_Altura.getText());
IMC i = new IMC(nome, peso, altura);
TextField_Nome.setText(" ");
TextField_Peso.setText(" ");
TextField_Altura.setText(" ");
new NewJFrame1().setVisible(true);
dispose();
}
private void TextField_PesoActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel Altura_Label;
private javax.swing.JLabel JFundo;
private javax.swing.JLabel Nome_Label;
private javax.swing.JLabel Peso_Label;
private javax.swing.JTextField TextField_Altura;
private javax.swing.JTextField TextField_Nome;
private javax.swing.JTextField TextField_Peso;
private javax.swing.JButton jButton1;
private javax.swing.JLabel jLabel2;
// End of variables declaration
}
The second one that shows get is giving an error:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package calculadoraimc;
/**
*
* @author SpiriT
*/
public class NewJFrame1 extends javax.swing.JFrame {
private IMC i;
/**
* Creates new form NewJFrame1
*/
public NewJFrame1() {
initComponents();
setSize(600,600);
setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setResizable(false);
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel2 = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
JFundo = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(null);
jLabel2.setText(i.getNome());
getContentPane().add(jLabel2);
jLabel2.setBounds(210, 280, 250, 14);
jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/calculadoraimc/ftc.png"))); // NOI18N
getContentPane().add(jLabel1);
jLabel1.setBounds(130, 60, 420, 210);
JFundo.setIcon(new javax.swing.ImageIcon(getClass().getResource("/calculadoraimc/fd.jpg"))); // NOI18N
JFundo.setText("jLabel1");
getContentPane().add(JFundo);
JFundo.setBounds(0, 0, 625, 644);
pack();
}// </editor-fold>
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(NewJFrame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(NewJFrame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(NewJFrame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(NewJFrame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame1().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel JFundo;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
// End of variables declaration
}
error code:
run:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at calculadoraimc.NewJFrame1.initComponents(NewJFrame1.java:41)
at calculadoraimc.NewJFrame1.<init>(NewJFrame1.java:18)
at calculadoraimc.NewJFrame.jButton1ActionPerformed(NewJFrame.java:116)
at calculadoraimc.NewJFrame.access$000(NewJFrame.java:14)
at calculadoraimc.NewJFrame$1.actionPerformed(NewJFrame.java:58)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6539)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6304)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: empty String
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
at java.lang.Double.parseDouble(Double.java:538)
at calculadoraimc.NewJFrame.jButton1ActionPerformed(NewJFrame.java:108)
at calculadoraimc.NewJFrame.access$000(NewJFrame.java:14)
at calculadoraimc.NewJFrame$1.actionPerformed(NewJFrame.java:58)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6539)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6304)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
CONSTRUÍDO COM SUCESSO (tempo total: 12 segundos)