KGISL Interview Experience

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.