Class java.awt.TextArea 
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Class java.awt.TextArea 

java.lang.Object
|
   +----java.awt.Component
|
           +----java.awt.TextComponent
|
                   +----java.awt.TextArea
public class TextArea
extends TextComponent
A TextArea object is a multi-line area that displays text. It can be set to allow editing or read-only modes.

Constructor Index

o TextArea()
Constructs a new TextArea.
o TextArea(int, int)
Constructs a new TextArea with the specified number of rows and columns.
o TextArea(String)
Constructs a new TextArea with the specified text displayed.
o TextArea(String, int, int)
Constructs a new TextArea with the specified text and number of rows and columns.

Method Index

o addNotify()
Creates the TextArea's peer.
o appendText(String)
Appends the given text to the end.
o getColumns()
Returns the number of columns in the TextArea.
o getRows()
Returns the number of rows in the TextArea.
o insertText(String, int)
Inserts the specified text at the specified position.
o minimumSize()
Returns the minimum size Dimensions of the TextArea.
o minimumSize(int, int)
Returns the specified minimum size Dimensions of the TextArea.
o paramString()
Returns the String of parameters for this TextArea.
o preferredSize()
Returns the preferred size Dimensions of the TextArea.
o preferredSize(int, int)
Returns the specified row and column Dimensions of the TextArea.
o replaceText(String, int, int)
Replaces text from the indicated start to end position with the new text specified.

Constructors

o TextArea 
public TextArea()
Constructs a new TextArea.
o TextArea 
public TextArea(int rows,
                  int cols)
Constructs a new TextArea with the specified number of rows and columns.
Parameters:
rows - the number of rows
cols - the number of columns
o TextArea 
public TextArea(String text)
Constructs a new TextArea with the specified text displayed.
Parameters:
text - the text to be displayed
o TextArea 
public TextArea(String text,
                  int rows,
                  int cols)
Constructs a new TextArea with the specified text and number of rows and columns.
Parameters:
text - the text to be displayed
rows - the number of rows
cols - the number of cols

Methods

o addNotify 
public synchronized void addNotify()
Creates the TextArea's peer. The peer allows us to modify the appearance of the TextArea without changing any of its functionality.
Overrides:
addNotify in class Component
o insertText 
public void insertText(String str,
                         int pos)
Inserts the specified text at the specified position.
Parameters:
str - the text to insert.
pos - the position at which to insert.
See Also:
setText, replaceText
o appendText 
public void appendText(String str)
Appends the given text to the end.
Parameters:
str - the text to insert
See Also:
insertText
o replaceText 
public void replaceText(String str,
                          int start,
                          int end)
Replaces text from the indicated start to end position with the new text specified.
Parameters:
str - the text to use as the replacement.
start - the start position.
end - the end position.
See Also:
insertText, replaceText
o getRows 
public int getRows()
Returns the number of rows in the TextArea.
o getColumns 
public int getColumns()
Returns the number of columns in the TextArea.
o preferredSize 
public Dimension preferredSize(int rows,
                                 int cols)
Returns the specified row and column Dimensions of the TextArea.
Parameters:
rows - the preferred rows amount
cols - the preferred columns amount
o preferredSize 
public Dimension preferredSize()
Returns the preferred size Dimensions of the TextArea.
Overrides:
preferredSize in class Component
o minimumSize 
public Dimension minimumSize(int rows,
                               int cols)
Returns the specified minimum size Dimensions of the TextArea.
Parameters:
rows - the minimum row size
cols - the minimum column size
o minimumSize 
public Dimension minimumSize()
Returns the minimum size Dimensions of the TextArea.
Overrides:
minimumSize in class Component
o paramString 
protected String paramString()
Returns the String of parameters for this TextArea.
Overrides:
paramString in class TextComponent 
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