How do you make a JTable cell not editable?

From the Navigation Pane, expand JScrollPane and right-click on JTable and Select Customize Code as shown below:

1. On the code customizer, select the second drop down and choose custom property.
2. Now paste this: {public boolean isCellEditable(int row, int column){return false;}} before the last closing blacket );

How do you make a JTable column editable?

1. Create something like MyTableModel which extends AbstractTableModel and override the function isCellEditable(int row, int column) .
2. you don’t need to use AbstractTableModel only to override isCellEditable, nothing else – mKorbel Mar 2 ’14 at 9:16.

How do you make a table editable in Java?

Complete code

1. import javax.swing.DefaultCellEditor;
2. import javax.swing.JComboBox;
3. import javax.swing.JFrame;
4. import javax.swing.JScrollPane;
5. import javax.swing.JTable;
6. import javax.swing.table.AbstractTableModel;
7. import javax.swing.table.TableModel;
8. public class EditableTable.

What is table model in Java?

The TableModel interface specifies the methods the JTable will use to interrogate a tabular data model. The JTable can be set up to display any data model which implements the TableModel interface with a couple of lines of code: For further documentation, see Creating a Table Model in The Java Tutorial.

What is cell renderer in Java?

The standard class for rendering (displaying) individual cells in a JTable . Implementation Note: This class inherits from JLabel , a standard component class. However JTable employs a unique mechanism for rendering its cells and therefore requires some slightly modified behavior from its cell renderer.

What is JScrollPane in Java Swing?

A JScrollPane provides a scrollable view of a component. When screen real estate is limited, use a scroll pane to display a component that is large or one whose size can change dynamically. Other containers used to save screen space include split panes and tabbed panes. The code to create a scroll pane can be minimal.

What is default table model?

Constructor Summary Constructs a default DefaultTableModel which is a table of zero columns and zero rows. Constructs a DefaultTableModel with rowCount and columnCount of null object values. Constructs a DefaultTableModel and initializes the table by passing data and columnNames to the setDataVector method.

How to make a JTable not editable in Java?

Editable cells have to do with the JTable instead. – maple_shaft May 3 ’12 at 13:30 Edited. If you are doing this in Netbeans IDE designer, follow the steps below: On the code customizer, select the second drop down and choose custom property. This enables you to edit the DefaultTableModel code definition. Press ok to save – and job done.

How to make only one column editable in Java?

Thnx in advance. isCellEditable (int rowIndex, int columnIndex) takes two arguments, just return true for the column you want? this would set editable true for column 3 and 8 and false for others .

What are the three constructors of JTable in Java?

JTable in Java has three constructors. They are: JTable (): A new table will be created with empty cells. JTable (int r, int c): A table will be created with the size as r*c. JTable (Object [ ] [ ] d, Object [ ]col): A table will be created with the specified data where []col describes the names of column.

How to get number of columns in JTable?

The getColumnCount () method is supposed to return the number of columns to be displayed in the table. Instead of hardcoding the number as 4 (as we have 4 columns in our case), we have just used the columnName.length to return the value.