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Determine If The Button Is Visible Example

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  1. /*
  2.         Determine If The Button Is Visible Example
  3.         This java example shows how to determine if the Button is visible or not
  4.         using isVisible method.
  5. */
  6.  
  7. import java.applet.Applet;
  8. import java.awt.Graphics;
  9. import java.awt.Button;
  10.  
  11. /*
  12. <applet code="DetermineIfButtonVisible" width=100 height=200>
  13. </applet>
  14. */
  15.  
  16. public class DetermineIfButtonVisible extends Applet{
  17.        
  18.         boolean isButton1Visible;
  19.         boolean isButton2Visible;
  20.        
  21.         public void init(){
  22.                 //create Buttons
  23.                 Button Button1 = new Button("Ok");
  24.                 Button Button2 = new Button("Cancel");
  25.                
  26.                 //add Buttons
  27.                 add(Button1);
  28.                 add(Button2);
  29.                
  30.                 Button2.setVisible(false);
  31.                
  32.                 /*
  33.                  * To determine if the Button is visible or not use
  34.                  * boolean isVisible() method.
  35.                  */
  36.                
  37.                 isButton1Visible = Button1.isVisible();
  38.                 isButton2Visible = Button2.isVisible();
  39.                
  40.         }
  41.        
  42.         public void paint(Graphics g){
  43.                 g.drawString("Is Button 1 visible? " + isButton1Visible, 10,50);
  44.                 g.drawString("Is Button 2 visible? " + isButton2Visible, 10,70);
  45.         }
  46.  
  47. }

Example Output