Implement a Stack in Apex | Data Structures | Salesforce

[@shibichakkaravarthyramaiya4666]

Nice Video. Probably the below changes might be useful 1. In the stack implementation class top method could use an isEmpty check to avoid the List index out-of-bounds exception. 2. In the second Leetcode instead of doing a forloop to join the result string could use String.Join method.

[@samCoder]

Thanks for the feedback