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12 Essential Apache Web Server Interview Questions Answers - Java & Linux

The Apache HTTP Server, also known as httpd , has been the most popular web server on the Internet since April of 1996. It is both free and…


10 basic differences between Java and Groovy Programming

If you are working in Java, you might have heard about Scala, Groovy, and Closure. Out of these three Groovy seems to be gaining a place in…


Top 5 Books for Programming/Coding Interviews - Best of lot

If you are preparing for Programming Job interviews and looking for some of the best books for programming questions then you have come to …


How do you find length of a Singly Linked list using Loop and Recursion

Hi Guys, Here is one of the classical programming questions asked to me first time on an interview with multinational Investment bank. Afte…


Top 10 Google Interview Questions for Software Engineer - Books, Resources

These Google interview questions are some of my favorites collected from different sources. Every Programmer knows that Google is one o…


What is purpose of different HTTP Request Types in RESTful Web Service?

RESTful web services heavily rely on HTTP by design. They use different HTTP methods to perform their job and uses HTTP response code to in…


10 XML Interview questions and answers for Java Programmer

XML Interview questions are very popular in various programming job interviews, including Java interviews for web developer . XM L is a mat…


How to find second highest or maximum salary of Employee in SQL - Interview question

How to find second highest or second maximum salary of an Employee is one of the most frequently asked SQL interview question similar to fi…


JSTL foreach tag example in JSP - looping ArrayList

JSTL foreach loop in JSP JSTL foreach tag is pretty useful while writing Java free JSP code. JSTL foreach tag allows you to iterate or l…


Difference between save vs persist and saveOrUpdate in Hibernate

Save vs saveOrUpdate vs persist in Hibernate What is difference between save and saveOrUpdate or Difference between save and persist ar…


How to delete empty files directories in Unix Linux Server

Deleting empty file and directory in Unix Many times we need to find and delete empty files or directories in UNIX/Linux. Since there is no…


What is JSESSIONID in J2EE Web application - JSP Servlet?

What is JSESSIONID in JSP-Servlet JSESSIONID is a cookie generated by Servlet containers like Tomcat or Jetty and used for session manage…