title: Error: Could not find or load main class org.antlr.v4.Tool Antrl4
body: <p>I want to use Antlr to create parser and i followed instruction from</p>
  
  <p><a href="https://levlaz.org/setting-up-antlr4-on-windows/" rel="noreferrer">Here</a></p>
  
  <p>after following all instruction while I am running following command 
  antlr4 -visitor D:\T\arithmetic.g4
  I am getting this error msg:
  Error: Could not find or load main class org.antlr.v4.Tool</p>
  
  <p>using this jar file :
  C:\Program Files\Java\lib\antlr-4.6-complete.jar</p>