Java: Clean way of avoiding NullPointerException in equals checks

Question

I have an address object that I want to create an equals method for. I could have made this quite simple by doing something like the following (shortened a bit):

Answer 1

There is no really clean way to do that; the best option is probably to have your IDE generate the code for you. Eclipse can do it via the Source -> Generate hashCode() and equals() context menu.

Answer 2

You can use Objects.equal from Googles guava or the EqualsBuilder from apache commons