JLabel : JLabel « Swing « Java Tutorial

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Java Tutorial » Swing » JLabel

14. 3. 1. JLabel

A JLabel represents a label, i.e. a display area for non-editable text.
A JLabel can display both text and images.
It can even render HTML tags so that you can create a JLabel that displays multicolors or multiline text.

The javax.swing.JLabel class has the following constructors.


public JLabel ()

public JLabel (java.lang.String text)

public JLabel (java.lang.String text, int horizontalAlignment)

public JLabel (Icon image)

public JLabel (Icon image, int horizontalAlignment)

public JLabel (Java.lang.String text, Icon icon, int horizontalAlignment)

The value of horizontalAlignment is one of the following:

SwingConstants.LEFT
SwingConstants.CENTER
SwingConstants.RIGHT
SwingConstants.LEADING
SwingConstants.TRAILING

If you want to use multifonts or multicolors in a JLabel, you can pass HTML tags,

A JLabel subclass is used as the default renderer for each of the JList, JComboBox, JTable, and JTree components.

Alignments have an effect only if there's extra space for the layout manager to position the component.

14. 3. JLabel
	14. 3. 1.	JLabel
	14. 3. 2.	Create JLabel component
	14. 3. 3.	Create a JLabel with an image icon
	14. 3. 4.	JLabel is for displaying text, images or both. It does not react to input events.
	14. 3. 5.	Horizontal Alignment: CENTER
	14. 3. 6.	Vertical Alignment: CENTER
	14. 3. 7.	Horizontal Alignment: LEFT
	14. 3. 8.	Vertical Alignment: TOP
	14. 3. 9.	Horizontal Alignment: RIGHT
	14. 3. 10.	Vertical Alignment: BOTTOM
	14. 3. 11.	The text is horizontally and vertically centered
	14. 3. 12.	The text is right-justified and vertically centered
	14. 3. 13.	The text is left-justified and top-aligned
	14. 3. 14.	The text is right-justified and top-aligned
	14. 3. 15.	The text is left-justified and bottom-aligned
	14. 3. 16.	The text is right-justified and bottom-aligned
	14. 3. 17.	Add Icon to JLabel
	14. 3. 18.	Mix Icon and text in JLabel
	14. 3. 19.	Set Font and foreground color for a JLabel
	14. 3. 20.	Load image from disk file and add it to a JLabel
	14. 3. 21.	Using JLabel Mnemonics: Interconnect a specific JLabel and JTextField.
	14. 3. 22.	Using a JLabel and pass in HTML for the text
	14. 3. 23.	Multiline label (HTML)
	14. 3. 24.	JLabel with more than one row
	14. 3. 25.	A simple Bean which extends JLabel
	14. 3. 26.	Add JLabel to JScrollPane
	14. 3. 27.	Disable a label
	14. 3. 28.	Unicode with Label
	14. 3. 29.	Customizing a JLabel Look and Feel
	14. 3. 30.	Associate JLabel component with a JTextField
	14. 3. 31.	Setting the Focus of a JTextField Component Using a JLabel Component
	14. 3. 32.	JLabel with lined border
	14. 3. 33.	A Label that uses inline HTML to format its text
	14. 3. 34.	A label with no indication it has been clicked
	14. 3. 35.	Adding Drag-and-Drop Support to a JLabel Component
	14. 3. 36.	Have a Label with underlined text
	14. 3. 37.	Multi Line Label
	14. 3. 38.	Vertical Label UI
	14. 3. 39.	Time panel shows the current time.
	14. 3. 40.	URL Label
	14. 3. 41.	Hyperlink Label
	14. 3. 42.	Gradient Label

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