Irgendwie will das Programm nicht so lesen wie ich das gerne hätte
zelle a1: 1;2;3;4.0
zelle a2: 2;3;4;2.0
zelle a3: 3;4;5;6.0
Irgendwie fängt der linereader erst bei der 2. zeile an und der string zeile hat " vorne und hintenn, die er nicht haben sollte. kann mir einer sagen wo da das problem liegt?
"2;3;4;2.0"
"2
3
4
Fehler beim Laden!
java.lang.NumberFormatException: For input string: "2.0""
at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
at java.lang.Double.parseDouble(Unknown Source)
at DatenLadenProject.<init>(DatenLadenProject.java:22)
at Benutzeroberfläche.actionPerformed(Benutzeroberfläche.java:200)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
zelle a1: 1;2;3;4.0
zelle a2: 2;3;4;2.0
zelle a3: 3;4;5;6.0
Irgendwie fängt der linereader erst bei der 2. zeile an und der string zeile hat " vorne und hintenn, die er nicht haben sollte. kann mir einer sagen wo da das problem liegt?
"2;3;4;2.0"
"2
3
4
Fehler beim Laden!
java.lang.NumberFormatException: For input string: "2.0""
at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
at java.lang.Double.parseDouble(Unknown Source)
at DatenLadenProject.<init>(DatenLadenProject.java:22)
at Benutzeroberfläche.actionPerformed(Benutzeroberfläche.java:200)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Java:
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.ArrayList;
public class DatenLadenProject {
public DatenLadenProject(ArrayList<Vorgang> vorgaenge, String dateiname) {
try {
FileReader fr = new FileReader(dateiname);
BufferedReader in = new BufferedReader(fr);
while (in.readLine() != null) {
String zeile = in.readLine();
System.out.println(zeile);
String[] s = zeile.split(";");
String bezeichnung = s[0];
System.out.println(bezeichnung);
int anfang = Integer.parseInt(s[1]);
System.out.println(anfang);
int dauer = Integer.parseInt(s[2]);
System.out.println(dauer);
double erfüllt = Double.parseDouble(s[3]);
System.out.println(erfüllt);
Vorgang v = new Vorgang(bezeichnung, anfang, dauer, erfüllt);
vorgaenge.add(v);
}
} catch (Exception e) {
System.out.println("Fehler beim Laden!");
e.printStackTrace();
}
}
}