Store a bean with currently logged on users in the application scope (could just use a Vector of names, or a HashMap of names and sessions), lets call it the activeUsers bean.
Have a session scope bean
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Are you developing a Java application and want to create Excel Spreadsheets? You have come to the right place, this article will describe how you can create Excel Spreadsheets from a Java Application.
For the purposes of this article, I will be u…
This article is the last of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article covers our test design approach and then goes through a simple test case example, how …
Viewers learn how to read error messages and identify possible mistakes that could cause hours of frustration. Coding is as much about debugging your code as it is about writing it.
Define Error Message:
Type of Error:
Viewers will learn one way to get user input in Java.
Introduce the Scanner object:
Declare the variable that stores the user input:
An example prompting the user for input:
Methods you need to invoke in order to properly get user input: