Java class for paging functionality

 PackageSmn.util; Public classPager {Private intPagenow; Private intPagesize=4; Private intTotalpage;//How many pages are there?    Private intTotalSize;//number of records    Private BooleanHasfirst;//do you have a home page    Private BooleanHaspre;//whether there is a previous page    Private BooleanHasnext;//do you have the next page ?    Private BooleanHaslast;//do you have the last page     PublicPager (intPagenow,inttotalsize) {         This. pagenow=Pagenow;  This. totalsize=totalsize; }     Public intGetpagenow () {returnPagenow; }     Public voidSetpagenow (intPagenow) {         This. Pagenow =Pagenow; }     Public intgetpagesize () {returnpageSize; }     Public voidSetPageSize (intpageSize) {         This. pageSize =pageSize; }     Public intGettotalpage () {//page AlgorithmTotalpage=gettotalsize ()/getpagesize (); if(totalsize%pagesize!=0) {Totalpage++; }        returnTotalpage; }     Public voidSettotalpage (inttotalpage) {         This. Totalpage =Totalpage; }     Public intgettotalsize () {returntotalsize; }     Public voidSettotalsize (inttotalsize) {         This. TotalSize =totalsize; }     Public BooleanIshasfirst () {//if the current number of pages is the first page there is no homepage        if(pagenow==1){            return false; }Else{            return true; }    }     Public voidSethasfirst (BooleanHasfirst) {         This. Hasfirst =Hasfirst; }     Public BooleanIshaspre () {//If there is a homepage there is a previous page        if( This. Ishasfirst ()) {            return true; }Else{            return false; }    }     Public voidSethaspre (Booleanhaspre) {         This. Haspre =Haspre; }     Public BooleanIshasnext () {//If there's a last page, there's the next one .        if( This. Ishaslast ()) {            return true; }Else{            return false; }    }     Public voidSethasnext (BooleanHasnext) {         This. Hasnext =Hasnext; }     Public BooleanIshaslast () {//if it's not the last page, there 's the last.        if(pagenow== This. Gettotalpage ()) {            return false; }Else{            return true; }    }     Public voidSethaslast (Booleanhaslast) {         This. Haslast =Haslast; }        }

Java class for paging functionality