Method valueOf

lib/java/lang/Long.java:546–548

Parses the specified string as a signed decimal long value. @param string the string representation of a long value. @return a Long instance containing the long value represented by string. @throws NumberFormatException if string is {@code null

(String string)

     * @see #parseLong(String)
     */
    public static Long valueOf(String string) throws NumberFormatException {
        return valueOf(parseLong(string));
    }

    /**
     * Parses the specified string as a signed long value using the specified