Flextable set Column name

after I spend 2 hours for a simple task please help me:

How can I set a column name of a flextable?

Alternitvly you can prived me an example of any kind of table which has different Column names 开发者_开发知识库in GWT.

Thanks

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There are no built in headers in the flex table. It just displays tabular data. However you can use FlexTable.setWidget() or FlexTable.setHTML to have your own headers