print the output of java program on the place of the pointer

So i have a code that computes some inputs and generates outputs. But my code prints outputs on the screen. I want you to edit my code so the program will paste the output in the place of the pointer. This can be done by saving outputs on the clipboard and pasting them or in any other method. The main idea of the program is to fill a form on the internet of offline but i don't want to use web functions. I just want the user to click on the text field and the program will print the results there when a condition becomes true.