Olaf Heimburger's Blog

The Java Puzzlers is one of my favorite bed-side books at the moment.  Kudos to Joshua Bloch and Neal Gafter for it.
Recently a colleague told me to write about the JDeveloper 10.1.3 Code Assist feature to solve the Elementary Java Puzzler (thank you Didier).

The Elementary Puzzler

This puzzler is a nice and simple one with a mean tiny detail. Here it is:

public class Elementary {
  public static void main(String[] args) {
    System.out.println(12345 + 5432l);
  }
}

Elementary In JDeveloper 10.1.3

Let's see what JDeveloper has to say about it:


Oops, that tiny little lowercase L is hard to spot. To be fair, I also tried it with two other popular IDEs. The results speak for themselves.

Elementary In Eclipse 3.1.2

Elementary in Netbeans 5.0