What is JList in Java?
What is JList in Java?
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 JComponent class. JList is a easy way to display an array of Vectors . JList(E [ ] l) : creates an new list with the elements of the array.
How do you add a JList?
Populate the JList with a DefaultListModel, not a vector, and have the model visible in the class. Then simply call addElement on the list model to add items to it.
What are the fields for javax swing JList class?
javax.swing Class JList
| Field Summary | |
|---|---|
| static int | HORIZONTAL_WRAP Indicates “newspaper style” with the cells flowing horizontally then vertically. |
| static int | VERTICAL Indicates the default layout: one column of cells. |
What is JPanel Swing Java?
The JPanel is a simplest container class. It provides space in which an application can attach any other component. It inherits the JComponents class.
What is the purpose of JTree?
Tree-Related Classes and Interfaces
| Class or Interface | Purpose |
|---|---|
| JTree | The component that presents the tree to the user. |
| TreePath | Represents a path to a node. |
What is ListModel in Java?
public interface ListModel This interface defines the methods components like JList use to get the value of each cell in a list and the length of the list. Logically the model is a vector, indices vary from 0 to ListDataModel. getSize() – 1.
Which interface is implemented in JList?
JList ‘s ListUI is responsible for keeping the visual representation up to date with changes, by listening to the model. Simple, dynamic-content, JList applications can use the DefaultListModel class to maintain list elements. This class implements the ListModel interface and also provides a java.
How do you make a table in Java?
JTable(): A table is created with empty cells. JTable(int rows, int cols): Creates a table of size rows * cols. JTable(Object[][] data, Object []Column): A table is created with the specified name where []Column defines the column names.
What is jlist in Java with example?
Java Swing | JList with examples. 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 JComponent class. JList is a easy way to display an array of Vectors .
How to use standard listboxes in a Java Swing application?
Following example showcase how to use standard listboxes in a Java Swing application. We are using the following APIs. JList − To create a standard list. JList.setSelectedIndex (index); − To select an item.
What is the difference between LISTDATA and listmodel in jlist?
JList(ary[] listData) Creates a JList that displays the elements in the specified array. JList(ListModel dataModel) Creates a JList that displays elements from the specified, non-null, model.
What is event handling in jlist?
Event handling in JList is very similar to that of other Swing components. We register an event listener and are notified when the event happens. 5. Developing A Selection Listener for JList