How do I programmatically select a tab of a JTabbedPane?

I want to go to another tab by clicking on "next tab" button, how should I do it?

Code :

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public class test{
  JTabbedPane tab;
  public static void main(String[] args){
    test ar = new test();
  }
 
  public test(){
    JFrame frame = new JFrame();
    tab = new JTabbedPane();
    JEditorPane pane= new JEditorPane();
    JEditorPane pane1= new JEditorPane();
    tab.add(pane);
    tab.add(pane1);
    frame.add(tab, BorderLayout.CENTER);
    JPanel panel = new JPanel();
    JButton button = new JButton("next Tab");
    button.addActionListener(new MyAction());
    panel.add(button);
    tab.add("next Tab", panel);
tab.add(pane1);
    frame.setSize(400, 400);
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
 
  public class MyAction implements ActionListener{
    public void actionPerformed(ActionEvent e){
      String str = e.getActionCommand();
      if(str.equals("next Tab")){
 
      //????????;
 
      }
    }
  }
}

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See: JTabbedPane: setSelectedComponent

thanks but I am a bit confused about using it. suppose I want to select the tab which contains pane1. how should I write the code while I have just one JTabbedPane??

I got it, thanks