Wrapper class Example

Wrapper class for displaying Int and String Data types 

A Wrapper class is a class whose instances are collection of other objects. It is used to display different objects on a Visual Force page in same table.

Visualforce page:
<apex:page sidebar=”false” controller=”WrapperIntStringDisplayClassTest”>
<apex:form >
<apex:pageBlock >
<apex:pageBlockSection >
<apex:pageBlockTable value=”{!lstwrapperIntString}” var=”w”>
<apex:column headervalue=”Action”>
<apex:inputcheckbox />
<apex:column headervalue=”TestingName”>
<apex:column headerValue=”TestingCity”>
<apex:column headervalue=”DataLoadCountry”>
<apex:column headerValue=”DataLoadPhone”>
Apex class:
public with sharing class WrapperIntStringDisplayClassTest {
List<Testing__c> lsttest = new List<Testing__c>();
List<DataLoadTest__c> lstdlt = new List<DataLoadTest__c>();
public List<wrapper> lstw = new List<wrapper>();
public List<wrapper> getLstwrapperIntString() {
lsttest = [select name,city__c from Testing__c];
lstdlt = [select country__c,phone__c from DataLoadTest__c];
for(Integer i=0;i<lstdlt.size();i++){
lstw.add(new wrapper(lsttest[i].name,lsttest[i].city__c,lstdlt[i].country__c,lstdlt[i].phone__c));
return lstw;
public class wrapper{
public String Tname{get;set;}
public String Tcity{get;set;}
public String Dcountry{get;set;}
public String Dphone{get;set;}
public wrapper(String Tname,String Tcity,String Dcountry,String Dphone){

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