Tech Mahindra interview question

Java Side: 1. Difference between RequestMapping and other Mappings? 2. Java 8 features 3. One small technical problem (String manipulation) 4. Qualifier annotation 5. Why notify, notifyAll, wait are outside functions in thread. etc React Side: 1. Lifecycle 2. Hooks 3. Keys 4. Mapping 5. Controlled and uncontrolled components etc The interview was like this. Only they are asking what's in the book.