Double click BlueJ icon available on desktop to start Java.
The BlueJ window will appear on your screen.
The screen shows ‘Project’ on top left corner. It is creation of folder that contains various BlueJ classes.
Click on it and select ‘New Project’ from drop-down menu.
Enter file name (for example, Sample) and finally click on create button.
The project folder created with Sample name is created and is shown on your screen.
Now, click ‘New Class’ suppose named ‘welcome’ and enter class name in text box.
Finally, click OK to create class icon. (Class name is basically program name where your program is saved on hard disk).
On double clicking icon, ‘welcome’, sample program is displayed
Then, to write your program, delete sample program available on window.
Then, type your program.
After completion of your program, click on ‘compile’ button.
If your program is error free then message will appear on screen at bottom pane as ‘Class Compiled- no syntax errors’. Now, you are ready to execute program.
Double click BlueJ icon available on desktop to start Java.
The BlueJ window will appear on your screen.
The screen shows ‘Project’ on top left corner. It is creation of folder that contains various BlueJ classes.
Click on it and select ‘New Project’ from drop-down menu.
Enter file name (for example, Sample) and finally click on create button.
The project folder created with Sample name is created and is shown on your screen.
Now, click ‘New Class’ suppose named ‘welcome’ and enter class name in text box.
Finally, click OK to create class icon. (Class name is basically program name where your program is saved on hard disk).
On double clicking icon, ‘welcome’, sample program is displayed
Then, to write your program, delete sample program available on window.
Then, type your program.
After completion of your program, click on ‘compile’ button.
If your program is error free then message will appear on screen at bottom pane as ‘Class Compiled- no syntax errors’. Now, you are ready to execute program
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Answer:
How to start BlueJ ?
Double click BlueJ icon available on desktop to start Java.
The BlueJ window will appear on your screen.
The screen shows ‘Project’ on top left corner. It is creation of folder that contains various BlueJ classes.
Click on it and select ‘New Project’ from drop-down menu.
Enter file name (for example, Sample) and finally click on create button.
The project folder created with Sample name is created and is shown on your screen.
Now, click ‘New Class’ suppose named ‘welcome’ and enter class name in text box.
Finally, click OK to create class icon. (Class name is basically program name where your program is saved on hard disk).
On double clicking icon, ‘welcome’, sample program is displayed
Then, to write your program, delete sample program available on window.
Then, type your program.
After completion of your program, click on ‘compile’ button.
If your program is error free then message will appear on screen at bottom pane as ‘Class Compiled- no syntax errors’. Now, you are ready to execute program.
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Answer:
How to start BlueJ ?
Double click BlueJ icon available on desktop to start Java.
The BlueJ window will appear on your screen.
The screen shows ‘Project’ on top left corner. It is creation of folder that contains various BlueJ classes.
Click on it and select ‘New Project’ from drop-down menu.
Enter file name (for example, Sample) and finally click on create button.
The project folder created with Sample name is created and is shown on your screen.
Now, click ‘New Class’ suppose named ‘welcome’ and enter class name in text box.
Finally, click OK to create class icon. (Class name is basically program name where your program is saved on hard disk).
On double clicking icon, ‘welcome’, sample program is displayed
Then, to write your program, delete sample program available on window.
Then, type your program.
After completion of your program, click on ‘compile’ button.
If your program is error free then message will appear on screen at bottom pane as ‘Class Compiled- no syntax errors’. Now, you are ready to execute program
Explanation:
Getting started – edit / compile / execute 8
3.1 Starting BlueJ .................................................................................................................................8
3.2 Opening a project ...........................................................................................................................9
3.3 Creating objects..............................................................................................................................9
3.4 Execution...................................................................................................................................... 11
3.5 Editing a class.............................................................................................................................. 13
3.6 Compilation.................................................................................................................................. 13
3.7 Help with compiler errors.......................
Opening a project
Summary: To open a project, select Open from the Project menu.
BlueJ projects, like standard Java packages, are directories containing the files
included in the project.
After starting BlueJ, use the Project – Open... menu command to select and open a
project.
Some example projects are included with the standard BlueJ distribution in the
examples directory.
For this tutorial section, open the project people, which is included in this directory.
You can find the examples directory in the BlueJ home directory. After opening the
project you should see something similar to the window shown in Figure 1. The
window might not look exactly the same on your system, but the differences should
be minor.
Here is full tutorial to start blue j hope it's helped (◍•ᴗ•◍)❤Army thnk u