Capgemini HR emailed me after seeing my resume on a job portal.

Experience: 5 - 10 years Primary Skill: Java

After a security check at the office, they interviewed candidates.

Telephonic Round from Capgemini Hyderabad Office.

Can we override a static private method?

In a class, a method throws a NullPointerException. In the subclass, can we override that method with a method that throws a RuntimeException?

Do you know about JDBC?

How to create an immutable class?

When do you override the equals method?

In a HashMap, I have inserted a key-value. If we update the key, will it happen?

String str = new String(); String str1 = "test"; Where are string objects created?

What is an enumerator?

What is the difference between Vector and ArrayList?

How are Vector and ArrayList sizes incremented?

What are lambda expressions?

Difference between Iterator and Enumeration?

What is persistence in Java?

Is SessionFactory thread-safe?

Collection Mapping in Hibernate

What are first-level caching, second-level, and third-level caching?

Difference between Merge and Update methods in Hibernate?

Do you know any latest JavaScript technologies?