question: @ Override public boolean equals ( Object obj ) { if ( obj == this ) { return true ; } if ( ! ( obj instanceof CustomCategoryURLGenerator ) ) { return false ; } CustomCategoryURLGenerator generator = ( CustomCategoryURLGenerator ) obj ; int listCount = getListCount ( ) ; if ( listCount != generator . getListCount ( ) ) { return false ; } for ( int series = 0 ; series < listCount ; series ++ ) { int urlCount = getURLCount ( series ) ; if ( urlCount != generator . getURLCount ( series ) ) { return false ; } for ( int item = 0 ; item < urlCount ; item ++ ) { String u1 = getURL ( series , item ) ; String u2 = generator . getURL ( series , item ) ; if ( u1 != null ) { if ( ! u1 . equals ( u2 ) ) { return false ; } } else { if ( u2 != null ) { return false ; } } } } return true ; }
target:  Tests if this object is equal to another.