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SWT Table Viewer add checkbox on row selection

In my table viewer, I want to add a checkbox to the last column when the user selects a row. How can I do this ?

Afaik tables only have checkbox icon in the first column.
Additional icons/checkboxes would have to be drawn manually.
Another option is to insert controls manually into table items. E.g insert a composite with checkbox + text. An example of how to insert a control into a table can be found in:
http://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet126.java

Edit cell value in vaadin table

I am new to Vaadin 7. I am facing a problem with vaadin table. Currently my data is displaying in vaadin table, in that table each row got one button. When I click that button, I want to change particular cell value in the same row.
table.setEditable(true)
Ex: In a row I have two columns "name" and "button". when I click button I want change name value in same row.
Suppose in first row column name value is "ABC" , when I click button, I want to change to value "ABC" to "XYZ".

retrieve the row number of a JTable from a cell

I need to know if it is possible to retrieve the row number of a JTable to click on a button located on the inside of the table. I need get the numer of row from a specific cell

When you click on a cell in a table the row will become selected.
To determine the selected row you can use:
int row = table.getSelectedRow();

JTable - filling table rows sequentially

I have a jtable and one of cell in each row contains combobox. When i select a value from combobox then that whole row gets updated with somme values.
Now i need to fill data in sequentially manner only.
E.g
1) If user selects a combobox in first row then that row gets updated
2) Now if user selects a comobox other than second row then it should give some alert and stop editing the value

How to make a JTable row to an "unselected" state after selected any row in that table?

I'm developing a Java Swing application which contains a JTable. By default, while launching the application for the first time, the call to the method jtable.getSelectedRow() or jtable.getSelectedColumn() returns -1, which means that no row selected at that moment. After user clicked any row or column, the call to the method jtable.getSelectedRow() or jtable.getSelectedColumn() returns the appropriate values of selected rows & columns. What I actually need is that I want to set the selected row or column to -1 i.e. "no row or column selected state". How can I do this?

The JTable method clearSelection will do what you want -- clear the selection of all the table's selected rows and columns. The JTable API is the place to look for methods such as these.