global class EmailAcknowledgment implements Schedulable
{
public List<Contact> contactList{get;set;} //
public List<String> contactEmail{get;set;}
public Map<string,string> contactMap{get;set;}
 
global void execute(SchedulableContext ctx)
{
        // TODO: your code here
       
        contactList=new List<Contact>();
        contactEmail =new List<String>();
        contactList.clear();
        contactEmail.clear();
        contactList=[select id,Email,Name,Date__c from Contact where Date__c !=:system.today()];
        contactMap =new Map<string,string>();
        for(Contact u:contactList)
        {
            system.debug('_____________id______'+u.id+'___________Email______________'+u.Email+'_________DATE______________________________________'+u.Date__c);
            contactMap.put(u.id,u.Email);
            if(u.Email!=null)
                contactEmail.add(u.Email);
        }
       if(contactEmail.size()>0)
           sendmail(contactEmail);
}
 
public void sendmail(List<String> str)
{
    Messaging.SingleEmailMessage email = new Messaging.SingleEmailMessage();
    string [] toaddress=str;
    String[] ccAddresses=new String[]{'allwin.joshi@kvpcorp.com'};
    email.setSubject('Mass Email');
    email.setHtmlBody('Dear Sir /Madam,<br/><br/> Hello,<br></br> Your Profile is Created !!!<br/><br/>Sincerely,<br><br/><br/>Date :'+string.valueof(system.today()));
    email.setToAddresses(toaddress);
    email.setCcAddresses(ccAddresses);
    Messaging.sendEmail(New Messaging.SingleEmailMessage[]{email});
 
}  
}