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§3.21 Interface TextFieldPeer
The text field peer interface specifies the methods that all implementations of Abstract
Window Toolkit text fields must define.
public interface java.awt.peer.TextFieldPeer
extends java.awt.peer.TextComponentPeer (II-§3.20)
{
// Methods
public abstract Dimension minimumSize(int cols); §3.21.1
public abstract Dimension preferredSize(int cols); §3.21.2
public abstract void setEchoCharacter(char c); §3.21.3
}
minimumSize
public abstract Dimension minimumSize(int cols)
- Parameters:
cols
-
the number of columns
- Returns:
- the minimum dimensions needed to display the text field with the
specified number of columns.
preferredSize
public abstract Dimension preferredSize(int cols)
- Parameters:
cols
-
the number of columns
- Returns:
- the preferred dimensions needed to display the text field with the
specified number of columns.
setEchoCharacter
public abstract void setEchoCharacter(char c)
- Sets the echo character for this text field. Any character that the user types
in the text field is echoed in the text field as the echo character.
- An echo character is useful for fields where the user input shouldn't be
echoed to the screen such as in the case of a text field for typing in a password.
- Parameters:
c
-
the echo character for this text field
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