APEX CLASS:
 public class TestMapController{
    
     public map data {get;set;}
    
     public TestMapController(){
         data = new map();
         for(Account acc: [Select Id, Name, (Select Id, Name, Email from Contacts), Phone from Account]){
             integer count = data.get(acc.name);
             if(count != null)
                count++;
            else
                count = 1;
            data.put(acc.name, count);
        }
    }
}
VisualForce Page:

 
 
    
         {!d}
    

    
         {!data[d]}
    

 

 

Written by 

I am Sakthivel Madesh, a certified Salesforce Advanced Developer & Administrator working on Salesforce Technology since 2011. I am currently working in Techforce Services as Sr. Salesforce Developer. I have worked on multiple technologies Like PHP, Java, Salesforce, I am very passionate about Salesforce and to earn 15x Salesforce Certification. I love Trailhead for learning Salesforce Skill and Become a Trailhead 5x Ranger too. I Love to Learn & Share my Salesforce knowledge to Salesforce Learners/Beginner using My Blog and Salesforce Community.

Leave a Reply