I get the error shown below. It is repeated twice more for lines 27 and 28. I use these exact same three lines of code in various other places in my jsp pages. The only difference is these particular lines are include in a subroutine (<%! ... %>) whereas the others are in-line in the jsp page. What is my problem??!! I'm so confused!
An error occurred at line: 26 in the jsp file: /include/email.inc
Unhandled exception type NamingException
24: if ((from == null) || (from.length() == 0))
26: Context ctx = new javax.naming.InitialContext();
27: Context env = (Context) ctx.lookup("java:comp/env");
28: replyAddr = (String) env.lookup("webUser");
An old method to applying the Singleton pattern in your Java code is to check if a static instance, defined in the same class that needs to be instantiated once and only once, is null and then create a new instance; otherwise, the pre-existing insta…
Basic understanding on "OO- Object Orientation" is needed for designing a logical solution to solve a problem. Basic OOAD is a prerequisite for a coder to ensure that they follow the basic design of OO. This would help developers to understand the b…
Viewers learn about the scanner class in this video and are introduced to receiving user input for their programs. Additionally, objects, conditional statements, and loops are used to help reinforce the concepts.
Introduce Scanner class:
Viewers will learn how to properly install Eclipse with the necessary JDK, and will take a look at an introductory Java program.
Download Eclipse installation zip file:
Extract files from zip file:
Download and install JDK 8:
Open Eclipse and …