logback-android/src/main/java/ch/qos/logback/core/joran/util/Introspector.java
static public String decapitalize(String name) {
    if (name == null || name.length() == 0) {
      return name;
    } else {
      String nm = name.substring(0, 1).toLowerCase(Locale.US);
      if (name.length() > 1) {
        nm += name.substring(1);
      }
      return nm;
    }
  }
static public String decapitalize(String name) {
    if (name == null || name.length() == 0) {
      return name;
    } else {
      String nm = name.substring(0, 1).toLowerCase(Locale.US);
      if (name.length() > 1) {
        nm += name.substring(1);
      }
      return nm;
    }
  }
Converts a name string's first letter to lowercase

@param name
name string to evaluate
@return the name with its first letter in lowercase