Method getDisplayString

api/src/main/java/io/jsonwebtoken/lang/Objects.java:645–650

Return a content-based String representation if obj is not null ; otherwise returns an empty String. Differs from #nullSafeToString(Object) in that it returns an empty String rather than "null" for a null value. @param obj the object to build a displ

(Object obj)

     * @see #nullSafeToString(Object)
     */
    public static String getDisplayString(Object obj) {
        if (obj == null) {
            return EMPTY_STRING;
        }
        return nullSafeToString(obj);
    }

    /**
     * Determine the class name for the given object.