Java tutorial
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); } }