42 lines
931 B
Java
42 lines
931 B
Java
|
Drawing Shapes
|
||
|
|
|
||
|
|
import java.awt.Graphics;
|
||
|
|
import javax.swing.*;
|
||
|
|
|
||
|
|
public class SwitchTest extends JApplet
|
||
|
|
{
|
||
|
|
int choice;
|
||
|
|
public void init()
|
||
|
|
{
|
||
|
|
String input;
|
||
|
|
|
||
|
|
input = JOptionPane.showInputDialog(
|
||
|
|
"Enter 1 to draw lines\n" +
|
||
|
|
"Enter 2 to draw rectangles\n" +
|
||
|
|
"Enter 3 to draw ovals\n" );
|
||
|
|
|
||
|
|
choice = Integer.parseInt( input );
|
||
|
|
}
|
||
|
|
|
||
|
|
public void paint( Graphics g )
|
||
|
|
{
|
||
|
|
for ( int i = 0; i < 10; i++ )
|
||
|
|
{
|
||
|
|
switch( choice )
|
||
|
|
{
|
||
|
|
case 1:
|
||
|
|
g.drawLine( 10, 10, 250, 10 + i * 10 );
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
g.drawRect( 10 + i * 10, 10 + i * 10, 50 + i * 10, 50 + i * 10 );
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
g.drawOval( 10 + i * 10, 10 + i * 10, 50 + i * 10, 50 + i * 10 );
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
JOptionPane.showMessageDialog( null, "Invalid value entered" );
|
||
|
|
} // end switch
|
||
|
|
} // end for
|
||
|
|
} // end paint()
|
||
|
|
} // end class SwitchTest
|