1
public class ListEx {
    public static void mymethod()
    {
        list<integer> myList= new List<integer>();
        myList.add(10);
        myList.add(30);
        myList.add(40);

        integer lsize= myList.Size();
            system.debug('List Size'+lsize);

        system.debug('List'+myList);


    }
}

Declaring Method in APEX:

ListEx.mymethod();

Whenever i try to run a program It is throwing an error saying

"Method does not exist or incorrect signature: void mymethod() from the type ListEx "`

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  • 1
    this script runs properly – Santanu Boral Aug 9 '17 at 19:23
  • Can you edit this question to include a test class others can use to help you debug this issue? – battery.cord Aug 9 '17 at 19:39
  • Is your ListEx class actually saved? I only ask because the * is still showing in the Developer console, which implies it hasn't been saved yet. – Daniel Ballinger Aug 9 '17 at 22:40
  • @jamesandy Is your issue now resolved? – Daniel Ballinger Aug 10 '17 at 0:00
2

From the comment thread is seems like the issue was related to the Apex class not yet being saved in the Developer Console.

The * that is appearing in the file name in the dev console indicates that the file hasn't been saved since it was last modified. In your case it appears that it has never been saved.

You will need to save the Apex class before it become accessible to anonymous apex.

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