These are a few: 1. Although an object could be identified by its memory location, why do java classes still implement the hashCode method? 2. Describe thread creation in Java. 3. What are the differences between an ArrayList and a LinkedList? 4. Describe the difference between Inner_Join and Left_Join 5. Are List<?> and List<Object> identical? 6. Are you familiar with Hibernate? 7. When in the application process does dependency injection take place? 8. Name the most useful benefit of dependency injection? 9. Modify the singleton service class I wrote for the triangle puzzle so that it suits a multi-threaded environment using lazy loading. 10. Demonstrate the addition of a method to a Javascript object through its prototype.