Create a method that performs basic string manipulations:

  1. Convert the string to uppercase
  2. Remove any leading/trailing spaces
  3. Replace all occurrences of 'a' with '@'

Examples:

Input: text = " hello apex " Output: "HELLO @PEX" Input: text = "salesforce" Output: "S@LESFORCE"
Apex Code Editor

Welcome to Lightning Challenge!

Create an Account

Sign up to track your progress, earn points, and compete with others. Your solutions will be saved automatically.

Create account

How It Works

  • • Write your solution in the code editor
  • • Connect your Salesforce org to test
  • • Submit to check if your solution passes
  • • Use hints if you get stuck

Contest Alert

🏆 #CodeEveryDay Feb 2026

Contest runs February 1 - 28. Complete challenges to climb the leaderboard!

Points are calculated for challenges completed during the contest period.