This company only asking technical logical thinking and it didn’t ask for the theory of Java, what is Java 8 and Java 17, spring-boot annotations, java 8 features and the use of programming.
It has asked for a collection framework for map, set, list
- Diff b/w hashmap and hashtable.
- Diff b/w hashmap and LinkedList.
- Diff b/w stack and queue.
- Diff b/w array and ArrayList.
- Springboot HTTP request API flow.
- What is an annotation?
- What is used for @autowired?
- Why it is used in the entity manager class?
- Why it is used volatile keyword?
- What is jdbc?
- Diff b/w execute update and execute the query and execute.
Recommended Articles