Do you know OOPS concept? Suppose you have an Employee class and you want to use it key. Then what changes you need to do? How will you manage collison? In spring boot application, why Main class(containing main() method is at the root package? Explain SpringBootApplication annotation. What is spring security? Write code to demonstrate runtime poymorphism.
What is the difference between final and finally in Java?
Most of the programming questions were the "what is the output of this code" type.
What are DDL AND DML
Talk about yourself, and technical/coding questions
Basic Programming statements and output options and some full in the blanks.
core Java, SQL, queries, coding,
Explain the difference between Comparator and comparable with example. what is polymorphism explain with example.
1.What is singleton class in Java and how can we make a class singleton? 2.What are the differences between Heap and Stack Memory in Java? 3.What are the main concepts of OOPs in Java?
Various technical questions about the REST application.
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