Top Java Coding Questions

1. Implement Decorator Pattern For Online Payment System

2. Replace Multiple If Else Conditions With Map

3. Missing Skills For The Project — (Java Coding Question)

4. What is the Difference Between HashSet and TreeSet

5. Design Generic Pair Utility

6. Coding Problem (Beginner): Input IDs in Batches

7. Coding Problem (Beginner): Partition Logs