TIOBE - Java Coding Standard

Rule: Design34

This rule is Obsolete
Synopsis:	Position literals first in String comparisons
Language:	Java
Severity Level:	3
Category:	Design

Description:

Position literals first in String comparisons - that way if the String is null you won't get a NullPointerException, it'll just return false.

class Foo {
 boolean bar(String x) {
  return x.equals("2"); // should be "2".equals(x)
 }
}