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 JTable column not movable?

2 Answers

  1. Right click the table.
  2. Select Table contents.
  3. Click the columns tab.
  4. Uncheck the Allow to reorder columns by drag and drop.

How can you change the appearance of data in cells in JTable?

If you want to allow users to edit the data, then you need to set a TableCellEditor on the cells that you want people to edit. You probably also want to start using a TableModel instead of hard coding the data in the JTable itself.

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 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.

How fetch data from database to JTable in Java?

DefaultTableModel model = new DefaultTableModel(new String[]{“Class Name”, “Home work”, “Due Date”}, 0); Load the data from the database… String sql=”SELECT * FROM hwList”; ResultSet rs = st. executeQuery(sql);

How do you represent a table in Java?

Guava’s Table is a collection that represents a table like structure containing rows, columns and the associated cell values. The row and the column act as an ordered pair of keys. The row and column act as an ordered pair of keys.

How fetch data from database and display in JTable?

Display Records From Database Using JTable in Java

  2. emp.sql.
  3. Open the NetBeans IDE.
  4. Choose “Java” -> “Java Application” as in the following.
  5. Now type your project name as “JTableApp” as in the following.
  6. Now create a new Java Class with the name “DisplayEmpData” and provide the following code for it.

How to add column header in JTable in Java?

If you are using NetBeans for Java, First drag jTable in jFrame after that simply follow the following steps. 1. Right Click on jTable control and find “Table Contents…” option. 2. Click on “Table Contents…” option. “Customizer Dialog” will be displayed. 3. “Customizer Dialog” contains three tabs (Table Model, Columns, Rows ). 4. 5.

How to make only one column editable in JTable?

You can keep it more flexible to set which column is editable or not later on, I used this for exmaple: Note: of course you have to define columnsEditable and JTable table global in this class: Note 2: by default all columns are not editable, but that is my desired behaviour.

Which is the constructor of the jtableheader class?

This is the constructor of JTableHeader class that is used for constructing the JTableHeader with initialized value in the JTableColumnModel. The object of JTableHeader is to manage the header of JTable. This method takes table header from the JTable. import javax.swing.*; import javax.swing.table.*;

Why are xtablecolumns ignored in JTable in Java?

XTableColumns that are hidden by the spans of their predecessors are ignored (in the TableHeader, of course not by the JTable). Due to the broken notification way of TableColumnModel/Table- Column there is no way to notify the header that it must repaint ().