question: this method returns the customer id concode_field_sep Integer product concode_elem_sep Integer software1 concode_elem_sep Integer software2 concode_elem_sep Integer os concode_elem_sep Integer software3 concode_elem_sep String timeKey concode_elem_sep Integer deviceId concode_elem_sep String day concode_elem_sep Integer customer concode_field_sep String getTimeKey concode_elem_sep Integer getSoftware3 concode_elem_sep void setSoftware3 concode_elem_sep void setProduct concode_elem_sep Integer getOs concode_elem_sep Integer getProduct concode_elem_sep void setOs concode_elem_sep Integer getSoftware1 concode_elem_sep void setSoftware1 concode_elem_sep Integer getSoftware2 concode_elem_sep void setSoftware2 concode_elem_sep boolean checkIntEqual concode_elem_sep String getDay concode_elem_sep Integer getDeviceId concode_elem_sep void setCustomer concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean checkStringEqual concode_elem_sep void setDay concode_elem_sep String toString concode_elem_sep void setDeviceId concode_elem_sep void setTimeKey
target: Integer function ( ) { return customer ; }