Java JProgressBar

Java JProgressBar

Java JProgressBar
Java JProgressBar class is used to display the progress of a task that is being performed by an application.JProgressBar class inherits from JComponent class.

How to declare Java JProgressBar

[class JProgressBar extends JComponent implements SwingConstants, Accessible
 
 
]

Java JProgressBar used constructors

  •  JProgressBar()-used to display horizontal  JProgressBar with not string.
  •  JProgressBar(int min, int max)-used to create a horizontal  progress bar with specified min and max value.
  •  JProgressBar(int orientation)-creates  JProgressBar with orientation.it can either be horizontal,vertical or use SwingConstants.VERTICAL OR HORIZONTAL .
  •  JProgressBar(int orient,int min,int max)-creates  JProgressBar with minimum,maximum                                                                          and orientation.

Java JProgressBar used methods

  • void setStringPainted(boolean b)-determine if the string will be displayed.
  • void setString(String s)-sets string of JProgressBar.
  • void setOrientation()-sets JProgressBar orientation using SwingConstants.VERTICAL etc.
  • void setValue(int value)-sets current JProgressBar value.

Java JProgressBar Example

[
import javax.swing.JFrame;
import javax.swing.JProgressBar;
public class JProgressBarExample extends JFrame{
    JProgressBar bar;
    int j=0,num=0;

    JProgressBarExample()
    {

        bar=new JProgressBar(0,2000);
        bar.setBounds(40,40,160,30);
        bar.setValue(0);
        bar.setStringPainted(true);
        add(bar);



        setLocationRelativeTo(null);
        setSize(400,400);
        setLayout(null);


    }
    public void iterate()
    {
        while(j<=2000)
        {
            bar.setValue(j);
            j=j+20;
            try{Thread.sleep(150);}catch(Exception e){}
        }

    }
    public static void main(String[] args) {
        JProgressBarExample progress=new JProgressBarExample();
        progress.setVisible(true);
        progress.iterate();
    }


}
]


See also:

Java JPopupMenu

Java JSeparator




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Java JProgressBar
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