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java.lang.Objectjava.awt.Component
java.awt.Label
public class Label
This component is used for displaying simple text strings that cannot be edited by the user.
| Nested Class Summary | |
|---|---|
protected class |
Label.AccessibleAWTLabel
This class provides accessibility support for the label. |
| Nested classes/interfaces inherited from class java.awt.Component |
|---|
Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy |
| Field Summary | |
|---|---|
static int |
CENTER
Alignment constant aligning the text in the center of its window. |
static int |
LEFT
Alignment constant aligning the text to the left of its window. |
static int |
RIGHT
Alignment constant aligning the text to the right of its window. |
| Fields inherited from class java.awt.Component |
|---|
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
| Fields inherited from interface java.awt.image.ImageObserver |
|---|
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
| Constructor Summary | |
|---|---|
Label()
Initializes a new instance of Label with no text. |
|
Label(String text)
Initializes a new instance of Label with the specified
text that is aligned to the left. |
|
Label(String text,
int alignment)
Initializes a new instance of Label with the specified
text and alignment. |
|
| Method Summary | |
|---|---|
void |
addNotify()
Notifies this label that it has been added to a container, causing the peer to be created. |
AccessibleContext |
getAccessibleContext()
Gets the AccessibleContext associated with this Label. |
int |
getAlignment()
Returns the constant indicating the alignment of the text in this label. |
String |
getText()
Returns the text displayed in this label. |
protected String |
paramString()
Returns a parameter string useful for debugging. |
void |
setAlignment(int alignment)
Sets the text alignment of this label to the specified value. |
void |
setText(String text)
Sets the text in this label to the specified value. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final int LEFT
public static final int CENTER
public static final int RIGHT
| Constructor Detail |
|---|
public Label()
Label with no text.
HeadlessException - If GraphicsEnvironment.isHeadless() is true.public Label(String text)
Label with the specified
text that is aligned to the left.
text - The text of the label.
HeadlessException - If GraphicsEnvironment.isHeadless() is true.
public Label(String text,
int alignment)
Label with the specified
text and alignment.
text - The text of the label.alignment - The desired alignment for the text in this label,
which must be one of LEFT, CENTER, or
RIGHT.
HeadlessException - If GraphicsEnvironment.isHeadless() is true.| Method Detail |
|---|
public int getAlignment()
public void setAlignment(int alignment)
alignment - The desired alignment for the text in this label,
which must be one of LEFT, CENTER, or
RIGHT.public String getText()
public void setText(String text)
text - The new text for this label.public void addNotify()
addNotify in class ComponentComponent.isDisplayable(),
Component.removeNotify()protected String paramString()
paramString in class Componentpublic AccessibleContext getAccessibleContext()
Label.
The context is created, if necessary.
getAccessibleContext in interface AccessiblegetAccessibleContext in class Component
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