SubstringOfZero
String.substring(0) returns the original String

Severity
ERROR
Has Fix?
REQUIRES_HUMAN_ATTENTION

The problem

String.substring(int) gives you the substring from the index to the end, inclusive.Calling that method with an index of 0 will return the same String.

Suppression

Suppress false positives by adding the suppression annotation @SuppressWarnings("SubstringOfZero") to the enclosing element.