Create an Apex class that returns an array (or list) of strings. - Salesforce Developer Community
12 Salesforce Apex Best Practices | Salesforce Ben
Trailhead challenge(Create an Apex class that returns an array (or list) of strings.) is throwing error - Salesforce Developer Community
Apex REST Callouts - Create an Apex class that calls a REST endpoint and write a test class - Salesforce Developer Community
String Class | Apex Reference Guide | Salesforce Developers
Create an Apex class that returns an array (or list) of strings. Create an Apex class that returns an array (or list) of formatted strings ('Test 0', 'Test 1', ...). The length
trigger - this.isEnabled(MethodName) in APEX Class - Salesforce Stack Exchange