$ jdb Main
Initializing jdb ...
> stop at Main:9
Deferring breakpoint Main:9.
It will be set after the class is loaded.
> run
run Main
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
>
VM Started: Set deferred breakpoint Main:9

Breakpoint hit: "thread=main", Main.test(), line=9 bci=2
9 if (args.length < - 1) { // Any non-trivial condition evaluating to `false` would do

main[1] step
>
Step completed: "thread=main", Main.test(), line=10 bci=16
10 System.out.println("not null");

Source:
public class Main {
  public static void main(String[] args) {
    test(args);
  }
  public static Void test(String[] args) {
    try {
      return null;
    } finally {
      if (args.length < - 1) { // Any non-trivial condition evaluating to `false` would do
        System.out.println("not null");
      }
    }
  }
}