question: public boolean equals ( Object obj ) { if ( this == obj ) return true ; if ( ! ( obj instanceof IPAddressName ) ) return false ; IPAddressName otherName = ( IPAddressName ) obj ; byte [ ] other = otherName . address ; if ( other . length != address . length ) return false ; if ( address . length == 8 || address . length == 32 ) { int maskLen = address . length / 2 ; for ( int i = 0 ; i < maskLen ; i ++ ) { byte maskedThis = ( byte ) ( address [ i ] & address [ i + maskLen ] ) ; byte maskedOther = ( byte ) ( other [ i ] & other [ i + maskLen ] ) ; if ( maskedThis != maskedOther ) { return false ; } } for ( int i = maskLen ; i < address . length ; i ++ ) if ( address [ i ] != other [ i ] ) return false ; return true ; } else { return Arrays . equals ( other , address ) ; } }
target:  Compares this name with another, for equality.