Lesson: 11 | Check whether a user exists

User Story

Create a method which checks whether a user exists.

Hint: You need username as a parameter.

Code

public static string findUser(String username){
    List<User> userList = [SELECT id, Username FROM User];
        
        String message='';
        for(User u : userList){
            if(u.username==username){
               message='User Found';
               break;
            }
            else {
                message='User Not Found';
            }
        }
     return message;
}

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Apex Intermediate

A. Apex DML Operations (8 lessons)

B. Apex Classes (17 lessons)

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D. Apex Exceptions (11 lessons)

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H. Apex Fast Recap (142 lessons)

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Lesson: 11 | Check whether a user exists

User Story

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Apex Intermediate

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Lesson: 11 | Check whether a user exists

User Story

Apex Intermediate