How to plot a line graph through java code on confluence?

[Peram Hepsi]

Hello i am trying to plot a line graph on confluence through java code from a source which is excel. Using postman i created a new page on confluence but when i try to plot a graph here is the line its printing when i run my code 

<script src="https://code.jquery.com/jquery-2.0.3.js" />

I am truly unaware what exactly is this. can someone please help me cpz this is high priority for me?

Thanks