?
Solved

getText() using UNIX

Posted on 1998-06-22
1
Medium Priority
?
168 Views
Last Modified: 2010-04-16
I am creating a java program that connects to the SMTP server, also using GUI  I am trying to use the getText feature to use the  information inputted by the user to the server.  I am getting a NullPointer Exception...mu code is:
out.println("mail from: " +From.getText());
I am also using the printWriter
What am I doing wrong?
0
Comment
Question by:ritson
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
1 Comment
 
LVL 4

Accepted Solution

by:
evijay earned 200 total points
ID: 1223526
Please check if From variable is null before that statment

ie.,

if (From == null) {
  System.err.println("From is null : logical problem need to be fixed!!");
  System.exit(1);
}
else
  out.println("mail from : " + From.getText());
0

Featured Post

Optimize your web performance

What's in the eBook?
- Full list of reasons for poor performance
- Ultimate measures to speed things up
- Primary web monitoring types
- KPIs you should be monitoring in order to increase your ROI

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

INTRODUCTION Working with files is a moderately common task in Java.  For most projects hard coding the file names, using parameters in configuration files, or using command-line arguments is sufficient.   However, when your application has vi…
Java contains several comparison operators (e.g., <, <=, >, >=, ==, !=) that allow you to compare primitive values. However, these operators cannot be used to compare the contents of objects. Interface Comparable is used to allow objects of a cl…
Viewers will learn about basic arrays, how to declare them, and how to use them. Introduction and definition: Declare an array and cover the syntax of declaring them: Initialize every index in the created array: Example/Features of a basic arr…
This theoretical tutorial explains exceptions, reasons for exceptions, different categories of exception and exception hierarchy.
Suggested Courses
Course of the Month14 days, 4 hours left to enroll

800 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question