This list is adding duplicates accounts to the list .

-----------------------------------------------------------------------------------------------------------------------------------------------------

List<ID> accountIds = new List<ID>(); 

 List<Account> accounts = new List<Account>();
        //This is an empty list of contacts which will soon hold all contacts related to the 
                List<Contact> allContacts = new List<Contact>();
                
        //For every contact in our list of contacts...
        for(Contact c: contacts)
        {
            //... if the contact is associated to an account
            if(c.AccountId != null)
            {
                //... add the Contact.AccountId to our list of account Ids.
                accountIds.add(c.AccountId);
            }
           
        }

----------------------------------------------------------<->

What Can i use or modify to remove duplicate accounts in the lst .Any help?

can i use @HttpPut with two global static methods in same rest class?

I am getting error like "@HttpPut already used elsewhere in class".

How to resolve this?

can i use @HttpPut with two global static methods in same rest class?

I am getting error like "@HttpPut already used elsewhere in class".

How to resolve this?

please respond.

How much time Config only sandbox will take to refresh from Production.

How much time Config only sandbox will take to refresh from Production.

This list is adding duplicates accounts to the list .

-----------------------------------------------------------------------------------------------------------------------------------------------------

List<ID> accountIds = new List<ID>(); 

 List<Account> accounts = new List<Account>();
        //This is an empty list of contacts which will soon hold all contacts related to the 
                List<Contact> allContacts = new List<Contact>();
                
        //For every contact in our list of contacts...
        for(Contact c: contacts)
        {
            //... if the contact is associated to an account
            if(c.AccountId != null)
            {
                //... add the Contact.AccountId to our list of account Ids.
                accountIds.add(c.AccountId);
            }
           
        }

----------------------------------------------------------<->

What Can i use or modify to remove duplicate accounts in the lst .Any help?

i want to create a method (via PUT) of the Apex REST web service  to receive a list of string and also the code to invoke it from java.