Oracle Software Developer interview questions

Database management system, projects, internships The interviewer started asking about my current project, the reason why I am looking for a Job change, and why oracle. After me answering these questions, he started asking about some core Java questions as described below Significance of volatile keyword Difference between comparator and comparable Difference between StringBuffer and StringBuilder, And asked why Java started using StringBuilder from JDK 1.5 instead of StringBuffer Significance of static variables Significance of Final class, final variables. Significance of Synchronized keyword

The interview started well with self introduction and then basics of computer fundamentals and then went on deeper. He asked about memory allocation working in abstract classes and then how process communication works internally.