Podcast
Questions and Answers
What should you do to create a new project in BlueJ?
What should you do to create a new project in BlueJ?
- Click Project > New Project (correct)
- Click New > Project
- Click Edit > New Project
- Click File > New Project
After creating a new class, how do you compile it?
After creating a new class, how do you compile it?
- Click on the class and select 'Run'
- Select the class and press F5
- Click Compile from the menu bar
- Right click on the class and click compile (correct)
When naming your project, what format must you follow?
When naming your project, what format must you follow?
- Surname_ICT9_Project
- SURNAME_ICT9_section (correct)
- SurnameIct9_section
- First_name_Surname_class
Which action must be performed to run the main method in BlueJ?
Which action must be performed to run the main method in BlueJ?
What should be removed from the editor after creating a new class?
What should be removed from the editor after creating a new class?
Flashcards
Creating a Java project in BlueJ
Creating a Java project in BlueJ
Creating a new Java project involves selecting a location, naming the project, and then opening it in BlueJ.
Creating a new class in BlueJ
Creating a new class in BlueJ
Click the 'new class' button in BlueJ, name the class appropriately, select 'class' as the class type, and click 'Ok'.
Compiling a Java class in BlueJ
Compiling a Java class in BlueJ
Right-click the class name in the BlueJ window, then click 'Compile' to check for syntax errors.
Executing a Java class in BlueJ
Executing a Java class in BlueJ
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Java Project Location in BlueJ
Java Project Location in BlueJ
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Study Notes
Java Programming Using BlueJ
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Java programming is being taught using the BlueJ software.
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BlueJ version 4.2.2, supported by Oracle, is used for compiling and running Java applications.
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Create a folder named Surname_FirstName ICT9 in drive D for project files.
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Run BlueJ by double-clicking the icon on the desktop or from Start > All Programs > BlueJ > BlueJ.
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To create a new project, click Project > New Project.
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In the new project dialog, type in the project name and select the desired location (the folder in drive D).
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Select the project folder in the location dialog.
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Create a project named Surname_ICT9_section
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The BlueJ window will display a similar panel for creating new projects.
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To create a new class:
- Click the New Class button.
- Type the class name (e.g., MT2_1_datatypes_Surname).
- Select the class type.
- Click OK.
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The new class will appear in the BlueJ window.
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Compile the class by right-clicking the class and selecting Compile.
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Errors are cleared if the compilation is error-free.
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Open the class file and remove the sample text, inputting your own values.
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Example of the class code:
- public class MT2_1_datatypes_Dinglasan {
- public static void main(String[] args) {
- String FN = "Dinglasan, Cristy";
- char mi = 'R';
- String gs = "G9-St. Francis";
- byte age = 15;
- short by = 2009;
- int PN = 919123456;
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Right-click on the class.
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To check the syntax, choose the Compile option.
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Execute the program by Right-clicking the class
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Select void main(String[] args)
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Click OK.
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The terminal window will display the output
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The path to the project folder is specified.
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