Jtable java

The JTable has many facilities that make it possible to customize its rendering and editing but provides defaults for these features so that simple tables can be set up easily, jtable java. By default, jtable java, jtable java JTable will adjust its width such that a horizontal scrollbar is unnecessary. Note that if you wish to use a JTable in a standalone view outside of a JScrollPane and want the header displayed, you can get it using getTableHeader and display it separately.

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".

TableColumn moveColumn public void moveColumn int column, int targetColumn Moves the column column to jtable java position currently occupied by the column targetColumn in the view. MessageFormat, java.

This article shows a simple example 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. This should display the various attributes of employees.

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.

Jtable java

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.

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Returns: whether or not this table is always made large enough to fill the height of an enclosing viewport Since: 1. Work Experiences. The swing. It is legal to have a null tableHeader. Returns: the object that provides the column state of the table See Also: setColumnModel javax. Object java. Demonstrates how to use several techniques to set tool tip text for cells and column headers. This is because cell selection is not supported in this mode in the demo. BaselineResizeBehavior , Component. Parameters: row - the row of the cell to render, where 0 is the first row column - the column of the cell to render, where 0 is the first column Returns: the assigned renderer; if null returns the default renderer for this type of object See Also: DefaultTableCellRenderer , TableColumn. The TableModelEvent should be constructed in the coordinate system of the model; the appropriate mapping to the view coordinate system is performed by this JTable when it receives the event. The JTable uses integers exclusively to refer to both the rows and the columns of the model that it displays.

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The height of the cells will be equal to the row height minus the row margin. This obtains the appropriate InputMap , gets the binding, gets the action from the ActionMap , and then if the action is found and the component is enabled invokes notifyAction to notify the action. All of the radio buttons under "Selection Mode" invoke JTable. Clears any existing columns before creating the new columns based on information from the model. However, you must not modify the state of the table after this Printable has been fetched invalid modifications include changes in size or underlying data. This method is not meant for querying the drop location from a TransferHandler , as the drop location is only set after the TransferHandler 's canImport has returned and has allowed for the location to be shown. Component Component. The rest of this section shows you how to accomplish some common table-related tasks. You just create a subclass and implement the setValue method so that it invokes setText or setIcon with the appropriate string or image. The first column contains the names of the people, and the second column contains their ages.