单击带有 actionperformed 的按钮时，我想打开一个新的 window

Question

When the button is clicked with actionPerformed , I want to open a new window, but I cannot open whatever I type. Can you support? I tried that:

JButton btnNewButton_5 = new JButton("Place Order");

btnNewButton_5.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) (
        new Final().setVisible(true);
    }
});

Answer 1

First of all, try to set the size and/or dimension of your new window. I think the new window has been opened but it is not visible to you. I think you should replace your code like this

    JButton btnNewButton_5 = new JButton ("Place Order");
    
    btnNewButton_5.addActionListener (new ActionListener () (
    
      public void actionPerformed (ActionEvent e) (
        Final final = new Final();
        final.setSize(500,500);
        final.setVisible (true);
      }
    });