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Implement ProgressMonitor toolbar with a file to monitor

import java.io.FileInputStream; import javax.swing.ProgressMonitorInputStream; public class Main {   public static void main(String args[]) throws Exception {     ProgressMonitorInputStream monitor;     monitor = new ProgressMonitorInputStream(null, "Loading ", new FileInputStream("fileName.txt"));     while (monitor.available() > 0) {       byte[] data = new byte[38];       monitor.read(data);       System.out.write(data);     }   } }