Java is an extremely popular, flexible programming language that’s known for its portability and large library. Java is used to develop web apps, mobile applications, enterprise software and other things. Java allows developers to create flexible, efficient, and flexible programs.

They can be questions about fundamental concepts such as Java syntax, datatypes, operators, control structure, or exception handling. Interviewers will also ask about advanced topics like multithreading and JDBC.

Interviewers may ask about familiarity with Java frameworks such as Spring or Hibernate. Other common questions focus on object-oriented principles like encapsulation and inheritance.

You may be asked to demonstrate your understanding of design patterns such as singleton and factory or explain the difference between an interface class and abstract classes. Candidate should be able to show their analytical and problem-solving skills through coding challenges or by explaining how they approach specific programming problems.