question: public boolean equals ( Object object ) { if ( this == object ) { return true ; } else if ( object instanceof Namespace ) { Namespace that = ( Namespace ) object ; if ( hashCode ( ) == that . hashCode ( ) ) { return uri . equals ( that . getURI ( ) ) && prefix . equals ( that . getPrefix ( ) ) ; } } return false ; }
target:  Checks whether this Namespace equals the given Namespace. Two Namespaces are equals if their URI and prefix are equal.