Debug with IntelliJ IDE.

As seen in Java11 Essential Training in Linkedin Learning. Here is a process for debugging with IntelliJ.

Suspend the application at a point in the code. Inspect variables while suspended or evaluate expressions. Then leave debug mode.

Debug with IntelliJ

Go to a line of code and click on the left side margin, next to the line number.

It will show a red dot.

Image Name

Click on the bug icon. A new window at the bottom shows debug.

Image Name

The left pane shows where you are main:13. The right pane shows the variable values in scope

Click on the step over to run the next line.

Image Name

Click on step out to run out of the app. Remove the red dot by clicking on it.

Debug Expressions

Select an expression to see the result

  • Example. Select i1 + i2
  • Right click
  • Evaluate expression
  • Evaluate