Apex Intermediate Progress | ( Lessons)

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)

C. Apex Triggers (9 lessons)

D. Apex Exceptions (11 lessons)

E. Asynchronous Apex (6 lessons)

F. SOSL (10 lessons)

G. Testing Apex (9 lessons)

H. Apex Fast Recap (142 lessons)

I. Build Apex Coding Skills (64 lessons)

J. Miscellaneous (17 lessons)

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Lesson: 11 | Check whether a user exists

User Story

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Lesson: 11 | Check whether a user exists

User Story

Apex Intermediate