如何使用JSON / GSON通过鼠标单击Jframe文件来显示文本

I am trying to basically from a button click in the JFrame, show a result of the JSON file, however I'm stuck on initialising the button click to display the results in the text area. At the moment this opens the JFrame correctly and shows the results, however, in the console. (basically, what code would I use in the getResultsButtonActionPerformed) method on the JFrame form. Thanks!I am trying to basically from a button click in