Java Reference
In-Depth Information
TABLE 12-1 Constructors and Methods of the class Component (continued)
public void setForeground(Color c)
//Sets the foreground color of this component to color c.
public Font getFont()
//Returns the font of this component.
public void setFont(Font ft)
//Sets the font of this component to ft.
public void setSize( int w, int h)
//Sets the size of this component to width w and height h
public boolean isVisible()
//Returns true if the component is visible; false otherwise.
public void setVisible( boolean tog)
//If tog is true, sets the component to visible;
//if tog is false, the component is not shown.
public void paint(Graphics g)
//Paints the component with the graphic component specified by g.
public void repaint()
//Repaints the component.
public void repaint( int x, int y, int wid, int ht)
//Repaints the rectangular portion of the component from (x, y)
//to (x + wid, y + ht)
public void setLocation( int x, int y)
//Sets the component at the location (x, y).
public String toString()
//Returns a string representation of this component.
public void update(Graphics g)
//Invokes the paint method.
public void validate()
//Validates this container and all of its subcomponents; the
//method validate is used to cause a container to lay out its
//subcomponents once more. Typically called after the components
//it contains have been added to or modified.
The class Container inherits all the methods of the class Component . In addition to
the methods listed in Table 12-1, Table 12-2 shows some commonly used methods of the
class Container .
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