import javax.swing.JProgressBar;
public class Main {
public static void main(String[] argv) throws Exception {
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);
}
}