Decipher Zone Technologies Interview Questions and Answers

Multithreading is a programming technique that allows concurrent execution of two or more threads for improved performance.

• Multithreading enables parallel execution, improving application responsiveness.

• Java provides built-in support for multithreading through the Thread class and Runnable interface.

• Example: A web server can handle multiple client requests simultaneously using threads.

• Synchronization is crucial to prev...read more

JavaMail is an API for sending and receiving emails in Java applications, supporting various protocols like SMTP, IMAP, and POP3.

• JavaMail API allows developers to send and receive emails programmatically.

• It supports multiple protocols: SMTP for sending, IMAP and POP3 for receiving.

• Example of sending an email using JavaMail: Properties props = new Properties(); props.put('mail.smtp.host', 'smtp.example.com'); ...read more

A process is an executing instance of a program, encompassing its code, data, and system resources.

• A process has its own memory space, which includes the code, stack, and heap.

• Processes can be in various states: running, waiting, or terminated.

• Example: When you open a web browser, a new process is created for it.

• Processes can communicate with each other through inter-process communication (IPC) mechanisms.

• Example of IP...read more