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public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
JFileChooser fc = new JFileChooser();
fc.showOpenDialog(MASSimulator.getInstance());
File file = fc.getSelectedFile();
System.out.println(file.getAbsolutePath());
DomDemo dd = new DomDemo();
dd.parserXml(file.getAbsolutePath());
DocumentBuilder builder = new DocumentBuilder();
builder.parse(fileName);
builder.parse(new FileInputStream(fileName))