gwt - celltable - adding extra row

Question

enter code hereI have a celltable and the columns contains some numbers. I want to add an extra row at the end of the table which will hold the total for each column. Is the

Answer 1

public void addNewRow(){                

    List newContactLst = Arrays.asList(new Contact("TEST",
              "Sample"));

    int numRows = table.getRowCount();

    table.setRowCount(numRows+1);

    table.setRowData(numRows,newContactLst);

}