Hi im new to java and i have been finding it hard use a user-defined class into another class while trying to append the results of that method into a java GUI label.

This is the GUI Source code

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This is the Method i wanted to use

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private void CalcButtonActionPerformed(java.awt.event.ActionEvent evt) {                                           
       
        
        int num1 = Integer.parseInt(Input.getText());
        
        String results = Grading.Grading(num1);
       
       
        Output.setText();
        
    }

The code isn’t completed because i ran out of solutions 🙁

How do i get the results of the imported method into a label?