@Override public boolean isCellEditable(int row,int column){
  EnvVar envVar=dataList.get(row);
  if (column == COL_VALUE) {
    return true;
  }
  return !envVar.isPredefined();
}

@ Override public boolean isCellEditable ( int row , int column ) { EnvVar envVar = dataList . get ( row ) ; if ( column == COL_VALUE ) { return true ; } return ! envVar . isPredefined ( ) ; }
checks if is cell editable .
