Socket and ServerSocket. ServerSocket is used for normal two-way socket communication. Socket class allows us to read and write through the sockets. getInputStream() and getOutputStream() are the two methods available in Socket class.
As you know ArrayList, LinkedList, and Vector are all implementations of the List interface. Which of them is most efficient for adding and removing elements from the list? Explain your answer, including any other alternatives you may be aware of?
Please explain what is the ThreadLocal class? How and why would you use it?
Tell me what is multiple inheritance? Is it supported by Java?
Tell me what is reflection? Give an example of functionality that can only be implemented using reflection?
Tell us what is the difference between equals() and == ?
Tell me why is the code printing true in the second and false in the first case?
Explain me how does the JVM handle storing local variables vs storing objects?
Do you know what is a Service?
Please explain and compare fail-fast and fail-safe iterators. Give examples?
Do you know why Java is platform independent?
rendc.org
Whether it is technological solutions or user-oriented innovations, We have put together for you the best sources of HR Interview Questions and Answers, Tech Ideas, and Programming Tutorials."
Get all the latest information on rendc.org
© 2022 | All rights reserved.
RENDC
welcome to www.rendc.org
