#How to run a bluej program how to#
#How to run a bluej program code#

I expect you to take some time to understand what's going on. You may not understand every line of it, but don't just copy and paste.

#How to run a bluej program code#

Also, take some time to try to figure out what the code is doing. Then, modify the code to send the email to my address. To test, you may want to send yourself an email first to make sure that your mail is being sent correctly. For lab 1, make sure the output looks correct. Note: If you are using multiple classes in your program you will need to compile all of the files and then run the program by using the classname of the class that contains your main method. Do an 'ls' (or 'dir' if you are using windows) to verify the class file is there.

If the compiler doesn't spit out any errors, it should have generated a '.class' file.

Compile by typing javac filename where filename is the name of the file.

Setting the path depends on a number of things. If you type 'javac' and the command is not recognized, the compiler is not in your path.

Make sure that the java compiler is in your PATH.

Note: I am assuming that you are not using packages.

cd into the directory where your code has been saved.

For your first lab you should save the code as 'smtpClient.java'. If you are writing a class named Test, your file MUST be named Test.java. Important: The name of the file must be the class name with a. Use this as an opportunity to learn more about Java! But, you should be able to understand enough to modify the necessary portions for the assignment. We will talk more about sockets in class. You may not be able to fully understand all of the code. But, remember that you have a couple of things to modify. For your first lab, copy and paste the code from the tutorial web page.

Open up your favorite text editor (I like emacs) and write your code.

For example, if you have a package named 'networks.webserver', all files in that package MUST be in a directory named 'webserver' that is in a directory named 'networks'. But, if you do use packages, you must create a directory tree that matches your package name. For lab 1, you don't need to worry about packages. This step is more important if you are using packages. A window pops up, letting you choose the BlueJ installation directory and the Java version to be used to run BlueJ.

/bin/java -jar bluej-200.jar is the directory, where J2SE SDK was installed. how to run a bluej program

Optional: Create a new directory where you will store the files for the program. bluej-200.jar you need to use the file name of the file youвЂ™ve got (with the correct version number).

Read introduction and history of the Telepathy and more practical guideline.Compiling and Running a Java Program Using the Command Line Compiling and Running a Java Program Using the Command Line Show the debugger window, if it is not already on screen. Maybe there is an infinite loop, maybe is just takes this long. 15) Composite Number: A number is said to be a composite, if it has one or more then one factors excluding 1 and the number itself. Sometimes a program is running for a long time, and you wonder whether everything is okay. The ISBN is legal if: 1xdigit1 + 2xdigit2 + 3xdigit3 + 4xdigit4 + 5xdigit5 + 6xdigit6 + 7xdigit7 + 8xdigit8 + 9xdigit9 + 10xdigit10 is divisible by 11. 14) The International Standard Book Number (ISBN): is a unique numeric book identifier which is printed on every book. honestly, this is difficult and is not asked in icse. This is a basic tutorial covering some of the basic concepts of BlueJ as well as Java for students of classes 9-10 (ICSE Computer Applications) and classes 11-12 (ISC Computer Science.ДЎ3) Amicable Number: If two numbers are such that the sum of the perfect divisors of one number is equal to the other number and the sum of the perfect divisors of the other number is equal to the first number, then the numbers are called Amicable Numbers.

#How to run a bluej program how to#

This is a tutorial on how to write a simple Java program, compile it and run it in the BlueJ IDE. How To Write A Simple Java Program Using BlueJ. The template is stored in the lib -> english -> templates -> newclass folder. You can also modifying the template that starts when creating new programs and classes. You can alter some of the defaults for BlueJ my modifying the file called fs with a text editor.This file is located in the lib directory in the bluej folder.