title: ArrayIndexOutOfBoundsException when adding row in jtable
body: <pre><code>this.tModel = new AdvancedMibTableModel(); 
  this.table = new JTable(this.tModel);
  this.tModel.addRow(new Object[]{"sysLocation","1.3.6.1.2.1.1.6","0",""});
  </code></pre>
  
  <p>when running the above code the following exception occured.</p>
  
  <pre><code>java.lang.ArrayIndexOutOfBoundsException: 0 &gt;= 0
  at java.util.Vector.elementAt(Unknown Source)
  at javax.swing.table.DefaultTableModel.justifyRows(Unknown Source)
  at javax.swing.table.DefaultTableModel.insertRow(Unknown Source)
  at javax.swing.table.DefaultTableModel.addRow(Unknown Source)
  at javax.swing.table.DefaultTableModel.addRow(Unknown Source)
  </code></pre>
  
  <p>what i am doing wrong here? what is the actual problem?
  can anyone suggest a solution?
  i tried both addRow() and insertRow() but the same problem occured.</p>