更新JProgressBar

谢谢大家 我这样解决了

try{       jProgBar.setIndeterminate(true);       jProgBar.setStringPainted(true);       jProgBar.setBorderPainted(true);       new Thread(new Runnable() {public void run() {    ...    // here is pre that i've to wait    // after this i stop my jProgressBar    ...    jProgBar.setStringPainted(false);    jProgBar.setBorderPainted(true);    jProgBar.setIndeterminate(false);       }       }).start();   }   catch(IllegalStateException ex){       //some pre   }