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Java Program to select a column in JTable?
To select a column in a JTable, use the setColumnSelectionInterval() and set the interval for the column you would like to select.
For example, if you want to select a single column i.e. column2, then set the interval as (2,2) in the setColumnSelectionInterval() method.
The following is an example to select a column from a table in Java −
Example
package my; import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.border.TitledBorder; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); JPanel panel = new JPanel(); panel.setBorder(BorderFactory.createTitledBorder( BorderFactory.createEtchedBorder(), "Stock", TitledBorder.CENTER, TitledBorder.TOP)); String[][] rec = { { "001", "Shirts", "40" }, { "002", "Trousers", "250" }, { "003", "Jeans", "25" }, { "004", "Applicances", "90" }, { "005", "Mobile Phones", "200" }, { "006", "Hard Disk", "150" }, }; String[] header = { "ID", "Product", "Quantity" }; JTable table = new JTable(rec, header); table.setShowHorizontalLines(true); table.setGridColor(Color.blue); table.setColumnSelectionAllowed(true); table.setRowSelectionAllowed(false); table.setColumnSelectionInterval(2,2); panel.add(new JScrollPane(table)); frame.add(panel); frame.setSize(550, 400); frame.setVisible(true); } }
This will produce the following output −
Above, we have also set the setRowSelectionAllowed() as FALSE and setColumnSelectionAllowed() as TRUE since we need to select column here.
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