Method indexOf

lib/java/lang/AbstractStringBuilder.java:658–660

Searches for the first index of the specified character. The search for the character starts at the beginning and moves towards the end. @param string the string to find. @return the index of the specified character, -1 if the character isn't found. @see #lastIndexOf(String) @sin

(String string)

     * @since 1.4
     */
    public int indexOf(String string) {
        return indexOf(string, 0);
    }

    /**
     * Searches for the index of the specified character. The search for the