Package Summary  Overview Summary

class:Label [NONE]
  • All Implemented Interfaces:
    ImageObserver, MenuContainer, Serializable, Accessible 
    public class Label
extends Component
implements Accessible
    A Label object is a component for placing text in a container. A label displays a single line of read-only text. The text can be changed by the application, but a user cannot edit it directly.

    For example, the code . . . 

     setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10));
 add(new Label("Hi There!"));
 add(new Label("Another Label"));

    produces the following labels:

    Two labels: 'Hi There!' and 'Another label'

    Since:
    1.0
    See Also:
    Serialized Form

field:LEFT [NONE]

  • LEFT

    public static final int LEFT
    Indicates that the label should be left justified.
    See Also:
    Constant Field Values

field:CENTER [NONE]

  • CENTER

    public static final int CENTER
    Indicates that the label should be centered.
    See Also:
    Constant Field Values

field:RIGHT [NONE]

  • RIGHT

    public static final int RIGHT
    Indicates that the label should be right justified.
    See Also:
    Constant Field Values

constructor:<init>() [NONE]

constructor:<init>(java.lang.String) [NONE]

  • Label

    public Label​(String text)
      throws HeadlessException
    Constructs a new label with the specified string of text, left justified.
    Parameters:
    text - the string that the label presents. A null value will be accepted without causing a NullPointerException to be thrown.
    Throws:
    HeadlessException - if GraphicsEnvironment.isHeadless() returns true.
    See Also:
    GraphicsEnvironment.isHeadless()

constructor:<init>(java.lang.String,int) [NONE]

  • Label

    public Label​(String text,
             int alignment)
      throws HeadlessException
    Constructs a new label that presents the specified string of text with the specified alignment. Possible values for alignment are Label.LEFT, Label.RIGHT, and Label.CENTER.
    Parameters:
    text - the string that the label presents. A null value will be accepted without causing a NullPointerException to be thrown.
    alignment - the alignment value.
    Throws:
    HeadlessException - if GraphicsEnvironment.isHeadless() returns true.
    See Also:
    GraphicsEnvironment.isHeadless()

method:addNotify() [NONE]

method:getAlignment() [NONE]

  • getAlignment

    public int getAlignment()
    Gets the current alignment of this label. Possible values are Label.LEFT, Label.RIGHT, and Label.CENTER.
    Returns:
    the alignment of this label
    See Also:
    setAlignment(int)

method:setAlignment(int) [NONE]

  • setAlignment

    public void setAlignment​(int alignment)
    Sets the alignment for this label to the specified alignment. Possible values are Label.LEFT, Label.RIGHT, and Label.CENTER.
    Parameters:
    alignment - the alignment to be set.
    Throws:
    IllegalArgumentException - if an improper value for alignment is given.
    See Also:
    getAlignment()

method:getText() [NONE]

  • getText

    public String getText()
    Gets the text of this label.
    Returns:
    the text of this label, or null if the text has been set to null.
    See Also:
    setText(java.lang.String)

method:setText(java.lang.String) [NONE]

  • setText

    public void setText​(String text)
    Sets the text for this label to the specified text.
    Parameters:
    text - the text that this label displays. If text is null, it is treated for display purposes like an empty string "".
    See Also:
    getText()

method:paramString() [NONE]

  • paramString

    protected String paramString()
    Returns a string representing the state of this Label. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.
    Overrides:
    paramString in class Component
    Returns:
    the parameter string of this label

method:getAccessibleContext() [NONE]

  • getAccessibleContext

    public AccessibleContext getAccessibleContext()
    Gets the AccessibleContext associated with this Label. For labels, the AccessibleContext takes the form of an AccessibleAWTLabel. A new AccessibleAWTLabel instance is created if necessary.
    Specified by:
    getAccessibleContext in interface Accessible
    Overrides:
    getAccessibleContext in class Component
    Returns:
    an AccessibleAWTLabel that serves as the AccessibleContext of this Label
    Since:
    1.3

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