Hallo,
Ich muss aktuell ein Java-Projekt für die schule realisieren und habe nun auch schon den Großteil gemacht leider wirft Java bei meinem Projekt immer einen Fehler aus. Der da wäre :
Ich habe keine Ahnung woran dies liegen könnte bitte um Hilfe
hier der Quelltext:
Vielen Dank schon einmal
Ich muss aktuell ein Java-Projekt für die schule realisieren und habe nun auch schon den Großteil gemacht leider wirft Java bei meinem Projekt immer einen Fehler aus. Der da wäre :
Code:
Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:592)
at java.lang.Integer.parseInt(Integer.java:615)
at personalausweis.jButton1_ActionPerformed(personalausweis.java:324)
at personalausweis$1.actionPerformed(personalausweis.java:222)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
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:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2750)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
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$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
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)Ich habe keine Ahnung woran dies liegen könnte bitte um Hilfe
hier der Quelltext:
Java:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class personalausweis extends JFrame {
// Anfang Attribute
private JLabel jLabel1 = new JLabel();
private JTextField jTextField1 = new JTextField();
private JLabel jLabel2 = new JLabel();
private JTextField jTextField2 = new JTextField();
private JLabel jLabel3 = new JLabel();
private JNumberField jNumberField1 = new JNumberField();
private JNumberField jNumberField2 = new JNumberField();
private JNumberField jNumberField3 = new JNumberField();
private JNumberField jNumberField4 = new JNumberField();
private JNumberField jNumberField5 = new JNumberField();
private JNumberField jNumberField6 = new JNumberField();
private JNumberField jNumberField7 = new JNumberField();
private JNumberField jNumberField8 = new JNumberField();
private JNumberField jNumberField9 = new JNumberField();
private JNumberField jNumberField10 = new JNumberField();
private JTextField jTextField4 = new JTextField();
private JLabel jLabel4 = new JLabel();
private JLabel jLabel5 = new JLabel();
private JNumberField jNumberField11 = new JNumberField();
private JNumberField jNumberField12 = new JNumberField();
private JNumberField jNumberField13 = new JNumberField();
private JNumberField jNumberField14 = new JNumberField();
private JNumberField jNumberField15 = new JNumberField();
private JNumberField jNumberField16 = new JNumberField();
private JNumberField jNumberField17 = new JNumberField();
private JLabel jLabel6 = new JLabel();
private JNumberField jNumberField18 = new JNumberField();
private JNumberField jNumberField19 = new JNumberField();
private JNumberField jNumberField20 = new JNumberField();
private JNumberField jNumberField21 = new JNumberField();
private JNumberField jNumberField22 = new JNumberField();
private JNumberField jNumberField23 = new JNumberField();
private JNumberField jNumberField24 = new JNumberField();
private JLabel jLabel7 = new JLabel();
private JNumberField jNumberField25 = new JNumberField();
private JLabel jLabel8 = new JLabel();
private JButton jButton1 = new JButton();
private JLabel jLabel9 = new JLabel();
String nachname;
String vorname;
int zahl1;
int zahl2;
int zahl3;
int zahl4;
int zahl5;
int zahl6;
int zahl7;
int zahl8;
int zahl9;
int zahl10;
int zahl11;
int zahl12;
int zahl13;
int zahl14;
int zahl15;
int zahl16;
int zahl17;
int zahl18;
int zahl19;
int zahl20;
int zahl21;
int zahl22;
int zahl23;
int zahl24;
int zahl25;
// Ende Attribute
public personalausweis(String title) {
// Frame-Initialisierung
super(title);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
int frameWidth = 800;
int frameHeight = 784;
setSize(frameWidth, frameHeight);
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
int x = (d.width - getSize().width) / 2;
int y = (d.height - getSize().height) / 2;
setLocation(x, y);
setResizable(false);
Container cp = getContentPane();
cp.setLayout(null);
// Anfang Komponenten
jLabel1.setBounds(74, 88, 30, 25);
jLabel1.setText("<<");
cp.add(jLabel1);
jTextField1.setBounds(96, 88, 94, 25);
cp.add(jTextField1);
jLabel2.setBounds(192, 88, 30, 25);
jLabel2.setText("<<");
cp.add(jLabel2);
jTextField2.setBounds(216, 88, 94, 25);
cp.add(jTextField2);
jLabel3.setBounds(312, 88, 94, 25);
jLabel3.setText("<<<<<<<<<<<<<");
cp.add(jLabel3);
jNumberField1.setBounds(48, 120, 19, 25);
jNumberField1.setText("");
cp.add(jNumberField1);
jNumberField2.setBounds(72, 120, 19, 25);
jNumberField2.setText("");
cp.add(jNumberField2);
jNumberField3.setBounds(96, 120, 19, 25);
jNumberField3.setText("");
cp.add(jNumberField3);
jNumberField4.setBounds(120, 120, 19, 25);
jNumberField4.setText("");
cp.add(jNumberField4);
jNumberField5.setBounds(144, 120, 19, 25);
jNumberField5.setText("");
cp.add(jNumberField5);
jNumberField6.setBounds(168, 120, 19, 25);
jNumberField6.setText("");
cp.add(jNumberField6);
jNumberField7.setBounds(192, 120, 19, 25);
jNumberField7.setText("");
cp.add(jNumberField7);
jNumberField8.setBounds(216, 120, 19, 25);
jNumberField8.setText("");
cp.add(jNumberField8);
jNumberField9.setBounds(240, 120, 19, 25);
jNumberField9.setText("");
cp.add(jNumberField9);
jNumberField10.setBounds(264, 120, 19, 25);
jNumberField10.setText("");
cp.add(jNumberField10);
jTextField4.setBounds(288, 120, 30, 25);
cp.add(jTextField4);
jLabel4.setBounds(48, 88, 30, 25);
jLabel4.setText("IDD");
cp.add(jLabel4);
jLabel5.setBounds(320, 120, 14, 25);
jLabel5.setText("<<");
cp.add(jLabel5);
jNumberField11.setBounds(336, 120, 19, 25);
jNumberField11.setText("");
cp.add(jNumberField11);
jNumberField12.setBounds(360, 120, 19, 25);
jNumberField12.setText("");
cp.add(jNumberField12);
jNumberField13.setBounds(384, 120, 19, 25);
jNumberField13.setText("");
cp.add(jNumberField13);
jNumberField14.setBounds(408, 120, 19, 25);
jNumberField14.setText("");
cp.add(jNumberField14);
jNumberField15.setBounds(432, 120, 19, 25);
jNumberField15.setText("");
cp.add(jNumberField15);
jNumberField16.setBounds(456, 120, 19, 25);
jNumberField16.setText("");
cp.add(jNumberField16);
jNumberField17.setBounds(480, 120, 19, 25);
jNumberField17.setText("");
cp.add(jNumberField17);
jLabel6.setBounds(504, 120, 14, 25);
jLabel6.setText("<");
cp.add(jLabel6);
jNumberField18.setBounds(520, 120, 19, 25);
jNumberField18.setText("");
cp.add(jNumberField18);
jNumberField19.setBounds(544, 120, 19, 25);
jNumberField19.setText("");
cp.add(jNumberField19);
jNumberField20.setBounds(568, 120, 19, 25);
jNumberField20.setText("");
cp.add(jNumberField20);
jNumberField21.setBounds(592, 120, 19, 25);
jNumberField21.setText("");
cp.add(jNumberField21);
jNumberField22.setBounds(616, 120, 19, 25);
jNumberField22.setText("");
cp.add(jNumberField22);
jNumberField23.setBounds(640, 120, 19, 25);
jNumberField23.setText("");
cp.add(jNumberField23);
jNumberField24.setBounds(664, 120, 19, 25);
jNumberField24.setText("");
cp.add(jNumberField24);
jLabel7.setBounds(688, 120, 54, 25);
jLabel7.setText("<<<<<<<");
cp.add(jLabel7);
jNumberField25.setBounds(738, 120, 19, 25);
jNumberField25.setText("");
cp.add(jNumberField25);
jLabel8.setBounds(88, 336, 627, 425);
jLabel8.setIcon(new ImageIcon("Perso.PNG"));
jLabel8.setText("Perso.png");
cp.add(jLabel8);
jButton1.setBounds(328, 200, 171, 65);
jButton1.setText("Personalausweis Prüfen");
jButton1.setMargin(new Insets(2, 2, 2, 2));
jButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton1_ActionPerformed(evt);
}
});
cp.add(jButton1);
jLabel9.setBounds(216, 16, 403, 41);
jLabel9.setText("Geben sie die Prüfziffern ihres Personalasweises ein. (Siehe unten)");
cp.add(jLabel9);
setTitle("IDC - Identification Check");
// Ende Komponenten
setVisible(true);
}
// Anfang Methoden
public void jButton1_ActionPerformed(ActionEvent evt) {
nachname = jTextField1.getSelectedText();
vorname = jTextField2.getSelectedText();
zahl1 = jNumberField1.getInt();
zahl2 = jNumberField2.getInt();
zahl3 = jNumberField3.getInt();
zahl4 = jNumberField4.getInt();
zahl5 = jNumberField5.getInt();
zahl6 = jNumberField6.getInt();
zahl7 = jNumberField7.getInt();
zahl8 = jNumberField8.getInt();
zahl9 = jNumberField9.getInt();
zahl10 = jNumberField10.getInt();
String land = jTextField4.getSelectedText();
zahl11 = jNumberField11.getInt();
zahl12 = jNumberField12.getInt();
zahl13 = jNumberField13.getInt();
zahl14 = jNumberField14.getInt();
zahl15 = jNumberField15.getInt();
zahl16 = jNumberField16.getInt();
zahl17 = jNumberField17.getInt();
zahl18 = jNumberField18.getInt();
zahl19 = jNumberField19.getInt();
zahl20 = jNumberField20.getInt();
zahl21 = jNumberField21.getInt();
zahl22 = jNumberField22.getInt();
zahl23 = jNumberField23.getInt();
zahl24 = jNumberField24.getInt();
zahl25 = jNumberField25.getInt();
zahl1 = zahl1 * 7;
zahl2 = zahl2 * 3;
zahl3 = zahl3 * 1;
zahl4 = zahl4 * 7;
zahl5 = zahl5 * 3;
zahl6 = zahl6 * 1;
zahl7 = zahl7 * 7;
zahl8 = zahl8 * 3;
zahl9 = zahl9 * 1;
zahl11 = zahl11 * 3;
zahl12 = zahl12 * 1;
zahl13 = zahl13 * 7;
zahl14 = zahl14 * 3;
zahl15 = zahl15 * 1;
zahl16 = zahl16 * 7;
zahl18 = zahl18 * 1;
zahl19 = zahl19 * 7;
zahl20 = zahl20 * 3;
zahl21 = zahl21 * 1;
zahl22 = zahl22 * 7;
zahl23 = zahl23 * 3;
//zahl1
String s1 = String.valueOf(zahl1);
int index1 = s1.length();
int länge1 = index1-1;
s1 = s1.substring(länge1, index1);
int z1 = Integer.parseInt(s1.toString());
//zahl2
String s2 = String.valueOf(zahl2);
int index2 = s2.length();
int länge2 = index1-1;
s2 = s2.substring(länge2, index2);
int z2 = Integer.parseInt(s2.toString());
//zahl3
String s3 = String.valueOf(zahl3);
int index3 = s3.length();
int länge3 = index1-1;
s3 = s3.substring(länge3, index3);
int z3 = Integer.parseInt(s3.toString());
//zahl4
String s4 = String.valueOf(zahl4);
int index4 = s4.length();
int länge4 = index1-1;
s4 = s4.substring(länge4, index4);
int z4 = Integer.parseInt(s4.toString());
//zahl5
String s5 = String.valueOf(zahl5);
int index5 = s5.length();
int länge5 = index1-1;
s5 = s5.substring(länge5, index5);
int z5 = Integer.parseInt(s5.toString());
//zahl6
String s6 = String.valueOf(zahl6);
int index6 = s6.length();
int länge6 = index1-1;
s6 = s6.substring(länge6, index6);
int z6 = Integer.parseInt(s6.toString());
//zahl7
String s7 = String.valueOf(zahl7);
int index7 = s7.length();
int länge7 = index1-1;
s7 = s7.substring(länge7, index7);
int z7 = Integer.parseInt(s7.toString());
//zahl8
String s8 = String.valueOf(zahl8);
int index8 = s8.length();
int länge8 = index1-1;
s8 = s8.substring(länge8, index8);
int z8 = Integer.parseInt(s8.toString());
//zahl9
String s9 = String.valueOf(zahl9);
int index9 = s9.length();
int länge9 = index1-1;
s9 = s9.substring(länge9, index9);
int z9 = Integer.parseInt(s9.toString());
//zahl11
String s11 = String.valueOf(zahl11);
int index11 = s11.length();
int länge11 = index1-1;
s11 = s11.substring(länge11, index11);
int z11 = Integer.parseInt(s11.toString());
//zahl12
String s12 = String.valueOf(zahl12);
int index12 = s12.length();
int länge12 = index1-1;
s12 = s12.substring(länge12, index12);
int z12 = Integer.parseInt(s12.toString());
//zahl13
String s13 = String.valueOf(zahl13);
int index13 = s13.length();
int länge13 = index1-1;
s13 = s13.substring(länge13, index13);
int z13 = Integer.parseInt(s13.toString());
//zahl14
String s14 = String.valueOf(zahl14);
int index14 = s14.length();
int länge14 = index1-1;
s14 = s14.substring(länge14, index14);
int z14 = Integer.parseInt(s14.toString());
//zahl15
String s15 = String.valueOf(zahl15);
int index15 = s15.length();
int länge15 = index1-1;
s15 = s15.substring(länge15, index15);
int z15 = Integer.parseInt(s15.toString());
//zahl16
String s16 = String.valueOf(zahl16);
int index16 = s16.length();
int länge16 = index1-1;
s16 = s16.substring(länge16, index16);
int z16 = Integer.parseInt(s16.toString());
//zahl18
String s18 = String.valueOf(zahl18);
int index18 = s18.length();
int länge18 = index1-1;
s18 = s18.substring(länge18, index18);
int z18 = Integer.parseInt(s18.toString());
//zahl19
String s19 = String.valueOf(zahl19);
int index19 = s19.length();
int länge19 = index1-1;
s19 = s19.substring(länge19, index19);
int z19 = Integer.parseInt(s19.toString());
//zahl20
String s20 = String.valueOf(zahl20);
int index20 = s20.length();
int länge20 = index1-1;
s20 = s20.substring(länge20, index20);
int z20 = Integer.parseInt(s20.toString());
//zahl21
String s21 = String.valueOf(zahl21);
int index21 = s21.length();
int länge21 = index1-1;
s21 = s21.substring(länge21, index21);
int z21 = Integer.parseInt(s21.toString());
//zahl22
String s22 = String.valueOf(zahl22);
int index22 = s22.length();
int länge22 = index1-1;
s22 = s22.substring(länge22, index22);
int z22 = Integer.parseInt(s22.toString());
//zahl23
String s23 = String.valueOf(zahl23);
int index23 = s23.length();
int länge23 = index1-1;
s23 = s23.substring(länge23, index23);
int z23 = Integer.parseInt(s23.toString());
//Prüfziffer1(zahl10)
int pruef1;
pruef1 = z1 + z2 + z3 + z4 + z5 + z6 + z7 + z8 + z9;
String p1 = String.valueOf(pruef1);
int indexp1 = p1.length();
int längep1 = index1-1;
p1 = p1.substring(längep1, indexp1);
int pu1 = Integer.parseInt(p1.toString());
//Prüfziffer2 (zahl17)
int pruef2;
pruef2 = z11 + z12 + z13 + z14 + z15 + z16;
String p2 = String.valueOf(pruef2);
int indexp2 = p2.length();
int längep2 = index1-1;
p2 = p2.substring(längep2, indexp2);
int pu2 = Integer.parseInt(p2.toString());
//Prüfziffer3 (zahl124)
int pruef3;
pruef3 = z18 + z19 + z20 + z21 + z22 + z23;
String p3 = String.valueOf(pruef3);
int indexp3 = p3.length();
int längep3 = index1-1;
p3 = p3.substring(längep3, indexp3);
int pu3 = Integer.parseInt(p3.toString());
//Prüfziffer4 (zahl25)
int pruef4;
pruef4 = pruef1 + pruef2 + pruef3 + pu1 * 7 + pu2 * 3 + pu3 * 1;
String p4 = String.valueOf(pruef4);
int indexp4 = p4.length();
int längep4 = index1-1;
p4 = p4.substring(längep4, indexp4);
int pu4 = Integer.parseInt(p4.toString());
System.out.println("5");
if(zahl10 == pu1 && zahl17 == pu2 && zahl24 == pu3 && zahl25 == pu4){
System.out.println("Right");
}
else{
System.out.println("false");
}
}
// Ende Methoden
public static void main(String[] args) {
new personalausweis("IDC - Identification Check");
}
}Vielen Dank schon einmal
Zuletzt bearbeitet von einem Moderator:
