Jtable java

This article shows a simple jtable java of JTable. This is similar to a spreadsheet. Let us consider some examples. Say that you want to display a list of employees belonging to an organization.

The JTable class is a part of Java Swing Package and is generally used to display or edit two-dimensional data that is having both rows and columns. It is similar to a spreadsheet. This arranges data in a tabular form. Constructors in JTable :. Skip to content. Change Language. Open In App.

Jtable java

Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available. With the JTable class you can display tables of data, optionally allowing the user to edit the data. JTable does not contain or cache data; it is simply a view of your data. Here is a picture of a typical table displayed within a scroll pane:. The rest of this section shows you how to accomplish some common table-related tasks. Here are the topics this section covers:. Or, to compile and run the example yourself, consult the example index. Click the cell that contains "Snowboarding". The entire first row is selected, indicating that you have selected Kathy Smith's data. A special highlight indicates that the "Snowboarding" cell is editable. Generally, you begin editing a text cell by double-clicking it. Position the cursor over "First Name". Now press the mouse button and drag to the right. As you can see, users can rearrange columns in tables. Position the cursor just to the right of a column header.

RowFilter objects. Creating a Table Now let's take a closer look at the Jtable java class and how to create a table, jtable java. To associate the revised table header with the table, the JTable method createDefaultTableHeader is overridden so that it returns an instance of the JTableHeader subclass.

CodeGym University. Light theme. Published in the Java Developer group. If you're looking to display data in a tabular format, you should consider using the JTable class in the javax. The JTable class is a versatile tool that allows you to create a table with rows and columns and customize it according to your needs.

The JTable class is a part of Java Swing Package and is generally used to display or edit two-dimensional data that is having both rows and columns. It is similar to a spreadsheet. This arranges data in a tabular form. Constructors in JTable :. Skip to content. Change Language.

Jtable java

This article explains how to write an editable JTable and proceeds to show an example. Understanding the TableModel:. Let us consider an example. We want to display the employee details in a table and also allow the user to edit the values directly in the table. The employee details would include fields like id, name, hourly rate and part-time status. Before we start looking at the code, we need to understand about the model of JTable. Let us try and understand why this is needed and how this helps us.

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Removes aColumn from this JTable 's array of columns. When the table becomes wider or narrower which might happen when the user resizes the window containing the table , all the column widths change appropriately. For example: table. The "TableExample" directory in the demo area of the source distribution gives a number of complete examples of JTable usage, covering how the JTable can be used to provide an editable view of data taken from a database and how to modify the columns in the display to use specialized renderers and editors. By default, the tool tip text displayed for a table cell is determined by the cell's renderer. This is becuase the first column is 'id' which is supposed to display integer values. If no editing is required in a table, or a particular column in a table, uses the isCellEditable method in the TableModel interface to ensure that this JTable will not start an editor in these columns. Rectangle getCellRect int row, int column, boolean includeSpacing Returns a rectangle for the cell that lies at the intersection of row and column. The Vectors contained in rowData should contain the values for that row. This section tells you how to create and specify a cell renderer. To determine which Comparator to use for a column, TableRowSorter attempts to apply each of the following rules in turn. If the user begins editing one of the cells, the default cell editor uses a right-aligned JTextField to control the cell editing.

We may make money when you click on links to our partners. Learn More. In Java, tables are used to arrange data into columns and rows.

Container javax. Instead, a single cell renderer is generally used to draw all of the cells that contain the same type of data. JTable provides a simple API for printing tables. Parameters: sorter - the RowSorter ; null turns sorting off Since: 1. Sets the tableHeader working with this JTable to newHeader. Your implementation of this method should set up the rendering component to reflect the passed-in state, and then return the component. Parameters: selectionForeground - the Color to use in the foreground for selected list items See Also: getSelectionForeground , setSelectionBackground java. Generally, you implement your table model in a subclass of the AbstractTableModel class. JTable j;. Resize the window containing the table so that it's bigger than necessary to display the whole table. He started programming with Java in the time of Java 1. Using swing.