How to use checkbox in JTable java?
When a value is selected from a JTable, a TableModelEvent is generated, which is handled by implementing a TableModelListener interface. We can add or insert a checkbox inside a JTable cell by implementing the getColumnClass() method of a Class type.
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?
A TableCellRenderer creates a component that displays the value of a JTable cell. The default renderer uses JLabel to display the value of each table cell. The TableCellRenderer interface can be specified in two ways : By class of the object to be rendered using table.
How do I make a JTable not editable?
private TableModel model = new DefaultTableModel(data, columnNames) { public boolean isCellEditable(int row, int column) { return false;//This causes all cells to be not editable } }; private JTable table = new JTable(model);
What is the purpose of JTable Mcq?
The JTable class is used to display data in tabular form. It is composed of rows and columns.
How fetch data from database to JTable in Java?
Display Records From Database Using JTable in Java
- DisplayEmpData.java.
- emp.sql.
- Open the NetBeans IDE.
- Choose “Java” -> “Java Application” as in the following.
- Now type your project name as “JTableApp” as in the following.
- Now create a new Java Class with the name “DisplayEmpData” and provide the following code for it.
What is JTable renderer?
JTable Default Renderer: Renderers are the components that control the display of values in a cell in a table. For example, for a numeric column, JTable creates renderers which display the value as right-aligned. For a text column, JTable creates renderers which display the value as left-aligned.
How do I make a JTable file read only?
How to make a jtable not editable in java?
- On the code customizer, select the second drop down and choose custom property. This enables you to edit the DefaultTableModel code definition.
- Now paste this: {public boolean isCellEditable(int row, int column){return false;}} before the last closing blacket );
Is cell editable JTable?
The isCellEditable() method of JTable (or the TableModel) controls whether a cell is editable or not. By default it just return “true”. So you can override the method to return a boolean value that is set by your “Modify” button.
How do I make a table Swing?
Java JTable Example with ListSelectionListener
- import javax.swing.*;
- import javax.swing.event.*;
- public class TableExample {
- public static void main(String[] a) {
- JFrame f = new JFrame(“Table Example”);
- String data[][]={ {“101″,”Amit”,”670000″},
- {“102″,”Jai”,”780000″},
- {“101″,”Sachin”,”700000″}};
Can you put a checkbox in a JTable cell?
JTable is quite customizable and its possible to embed other swing components, be it checkbox,radiobutton,buttons or even progressbars, inside the jtable cells. In this example we see how to embed a checkbox in a jtable cell.
What can a JTable be used for in Java?
A JTable is a subclass of JComponent class and it can be used to create a table with information displayed in multiple rows and columns. When a value is selected from a JTable, a TableModelEvent is generated, which is handled by implementing a TableModelListener interface.
How to get the selected row in Java JTable?
Java Jtable checkbox column. java swing checkable cells. How to get the selected row in java jtable. Here’s the screenshot of the project. We can get the checked row by clicking the ‘Get Selected’ button. Lets have a look at the source code. Just create a java project and copy the above code in your main class.
How to get the checked row in Java?
We can get the checked row by clicking the ‘Get Selected’ button. Lets have a look at the source code. Just create a java project and copy the above code in your main class. Visit our channel for more examples like these. Lets share tips and ideas in our Facebook Page.