How can we append the stirng in excel using jxl

[javasaravanan]

Dear All,

How can we append the words in single cell in excel sheet by using JXL , using java

Examples

Sheet.addCell(new Label(1,1,"This is Test one",boldRed1));
and I need to append the 1,1 postions of excel sheet
like "This is test two"
Finally

In excel sheet the cell postito(1,1) will have this format
1)this is test one
2)This is Test two
Please Reply me fast,,,..