title: What does "Process finished with exit code 1" mean in intellij-idea?
body: <p>I got the error "Process finished with exit code 1" when I was running my Java code. I am using Intellij IDEA 2018.3. Below is the error log I got.</p>
  
  <p><img src="https://i.stack.imgur.com/xs03D.jpg" alt="screenshot of error"></p>