Set all the values at once by using the model for JProgressBar in Java

  //  w w  w .  ja  va 2s.c  om
import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JProgressBar;

public class Main extends JFrame {

  public Main() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    int minimum = 0;
    int maximum = 100;
    JProgressBar progress = new JProgressBar(minimum, maximum);
    int newValue = 10;
    int newMin = 0;
    int newMax = 100;
    progress.getModel().setRangeProperties(newValue, 0, newMin, newMax, false);

    
    getContentPane().add(progress, BorderLayout.NORTH);
    pack();
    setVisible(true);
  }

  public static void main(String arg[]) {
    new Main();
  }
}