TIOBE - Java Coding Standard

Rule: Optimization5

This rule is Obsolete
Synopsis:	This call to String.startsWith can be rewritten using String.charAt(0)
Language:	Java
Severity Level:	5
Category:	Optimization

Description:

Since it passes in a literal of length 1, this call to String.startsWith can be rewritten using String.charAt(0) to save some time.

public class Foo {
  boolean checkIt(String x) {
      return x.startsWith("a");
  }
}