Using JList import yout; import ; import javax. ; import lPane; public class JListTest { public static. JList is part of Java Swing package. JList is a component that displays a set of Objects and allows the user to select one or more items. JList inherits. In this example we are going to demonstrate how to use Java Swing JList, JList is a Swing component with which we can display a list of.

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Let us now try and develop event handlers for JList. This mode is the default mode. Arranging Items in a JList Component This article shows how to work with JList and proceeds to show some tutorkal. The call to setSelectionMode specifies how many items the user can select, and whether they must be contiguous; the next section tells you more about selection modes.

It will print an empty list. Compile the program using the command prompt.

Returns the location that this component should visually indicate as the drop location during a DnD operation over the component, or null if no location is to currently be shown. Returns the distance to scroll to expose the next or previous row for vertical scrolling or column for horizontal scrolling.

We will hold down the shift key and click with mouse to select javz items. Get index of first visible item How to Use Various Components. Storing value in Vector and adding them into JList Traps, Pitfalls, and Corner Cases. Returns the layout orientation property for the list: A list selection listener must implement one method: We use an anonymous inner class to implement the event listener interface.


Tktorial illustration purposes, we simply print this list on the console which prints the list of values selected.

JList basic tutorial and examples

Get index of last visible item. This can be done as follows: Event handling in JList is very similar to that of other Swing components. Methods are used to find an item. We get the following output: See Drag and Drop and Data Transfer for more details.

The selection listener for the list fires the event even in the case of user deselecting tutorisl item. Point indexToLocation int index Returns the origin of the specified item in the list’s coordinate system.

Let us now run the program: Any combination of items can be selected.

Using JList : JList « Swing « Java Tutorial

Let us provide the full source code and run it: The items in the list are managed by a list model object, the selection is managed by a list selection model object, and most programs put a list in a scroll pane to handle scrolling. JList basic tutorial and examples. A JList presents the user with a group of items, displayed in one or more columns, to choose from.


Set or get the way list cells are laid out. Set selected index Returns the value for the smallest selected cell index; the selected value when only a single item is tutorixl in the list. Get index of last visible item When the user begins a new selection range, any previously selected items are deselected first.

DropLocation getDropLocation Returns the location that this component should visually indicate as the drop location during a DnD operation over the component, or null if no location is to currently be shown. No matter which selection mode your list uses, the list fires list selection events whenever the selection changes. Use drag and drop to reorder a list. This mode specifies that multiple items can tutoiral selected, but they have to be contiguous.

Returns an instance jlost DefaultListSelectionModel; called during construction to initialize the list’s selection model property. Sets the prototypeCellValue property, and then if the new value is non-nullcomputes the fixedCellWidth and fixedCellHeight properties by requesting the cell renderer component for the given value and index 0 from the cell renderer, and using that component’s preferred size.