重複の可能性:
例外処理 "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: -1
次のエラーが発生しています。
スレッド「AWT-EventQueue-0」での例外 java.lang.ArrayIndexOutOfBoundsException: -1
java.util.Vector.elementData(Vector.java:730)で
java.util.Vector.elementAt(Vector.java:473)で
javax.swing.DefaultListModel.elementAt(DefaultListModel.java:266) で
bfpl.BFPL$1$2$17.actionPerformed (BFPL.java:1163) で
javax.swing.AbstractButton.fireActionPerformed (AbstractButton.java:2018) で
javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2341) で
javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:402) で
私のコードは次のとおりです。
final JFrame f10=new JFrame("Match Result");
f10.setVisible(true);
f3.setVisible(false);
f10.setSize(1000,1000);
f10.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JPanel p10=new JPanel(new GridBagLayout());
GridBagConstraints g10=new GridBagConstraints();
g10.insets=new Insets(2,2,2,2);
JLabel l53=new JLabel("Match No");
JLabel l54=new JLabel("Team Win");
JLabel l55=new JLabel("Team Lost");
DefaultListModel dl6=new DefaultListModel();
DefaultListModel dl7=new DefaultListModel();
DefaultListModel dl8=new DefaultListModel();
String f="SELECT Match_No,Team1,Team2 from Schedule";
try{
Connection con=DriverManager.getConnection("jdbc:mysql://127.0.0.1/BFPL","root","ilovepepsi");
Statement s=con.createStatement();
ResultSet rs=s.executeQuery(f);
while(rs.next()){
String z=rs.getString("Match_No");
String z1=rs.getString("Team1");
String z2=rs.getString("Team2");
dl6.addElement(z);
dl7.addElement(z1);
dl8.addElement(z2);
}
}
catch(SQLException ae){
System.out.println("SQLException:"+ae.getMessage());
System.out.println("SQLState:"+ae.getSQLState());
System.out.println("VendorError:"+ae.getErrorCode());
JOptionPane.showMessageDialog(p10,"Error in submitting data!");
}
JList li6=new JList(dl6);
JList li7=new JList(dl7);
JList li8=new JList(dl8);
li6.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
li6.setVisibleRowCount(2);
li7.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
li7.setVisibleRowCount(2);
li8.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
li8.setVisibleRowCount(2);
JButton b25=new JButton("Back");
JButton b26=new JButton("Save");
f10.add(p10);
g10.gridx=0;
g10.gridy=0;
p10.add(l53,g10);
g10.gridx=1;
g10.gridy=0;
p10.add(new JScrollPane(li6),g10);
g10.gridx=0;
g10.gridy=1;
p10.add(l54,g10);
g10.gridx=1;
g10.gridy=1;
p10.add(new JScrollPane(li7),g10);
g10.gridx=0;
g10.gridy=2;
p10.add(l55,g10);
g10.gridx=1;
g10.gridy=2;
p10.add(new JScrollPane(li8),g10);
g10.gridx=0;
g10.gridy=3;
p10.add(b25,g10);
g10.gridx=1;
g10.gridy=3;
p10.add(b26,g10);
int a9=li6.getSelectedIndex();
int a10=li7.getSelectedIndex();
int a11=li8.getSelectedIndex();
final String z=(String) dl6.elementAt(a9);
final String z1=(String) dl7.elementAt(a10);
final String z2=(String)dl8.elementAt(a11);