Ruby Programming: Interactive shell

Once we installed Ruby, we will get one powerful command line interactive Ruby-programming environment called irb (Interactive Ruby). irb is a command line interpreter allowed to enter Ruby commands and instantly see the results in the environment itself. This is very…

JSP: Implicit Objects

We know that every JSP page turned into an equivalent Servlet. Every JSP equivalent Servlet must be extended from HttpJspBase class. HttpJspBase class is an abstract class with all implicit objects are defined. Those implicit objects are called as JSP implicit…

Ruby Programming: An Introduction

Ruby is a popular open source, cross-platform, object-oriented, dynamic, scripting, interpreted programming language. It was invented in the year 1993 by Yukihiro Matsumoto (Matz). Ruby is cross-platform, that means if we develop a Ruby program based on one machine; it’s likely to…