Comp 401 Eclipse Setup

1. Comp 401Eclipse Setup Instructor: Robert Mills. John Hansen

2. Eclipse – One Time Setup • Separate folder setup instructions for Windows and Mac users • Once we get to using Eclipse, instructions are the same • If you run into a problem with any of these steps, please contact us and we will help you with setup.

3. Windows Users – Setting up the Workspace Folders • Open “My Computer” • Click on “Start” and then “My Computer” • Open your “C:” drive • Create a new folder called “comp401workspace” • Do not include the quotes in the name • Open the “comp401workspace” folder • Do not include the quotes in the name • Open the “comp401workspace” folder • Leave the window showing the folder contents open

4. Windows Users – Setting up the Workspace Folders • From the recitation page of the course website, download Eclipse and the ObjectEditor package onto your desktop • For all the files, you must right-click and then choose the “Save link as…” or “Save target as…” option • If you are using Internet Explorer • Save the file to the you desktop by clicking on the desktop icon on the left-hand-side of the Save window • If you are using Mozilla Firefox • Download the files to your desktop • Drag the files you save from the desktop to the “comp401workspace” folder you opened up earlier

5. Windows Users – Starting Eclipse • Unzip your Eclipse, go to its extracted folder, and create a shortcut of the file “eclipse.exe” onto your desktop • Double-click on the Eclipse shortcut on your desktop

6. Mac Users – Setting up the Workspace Folders • Open your “Documents” folder • Create a new folder called “comp401workspace” • Do not include the quotes in the name • Open “comp401workspace” • Do not include the quotes in the name • Open the “comp401workspace” folder

7. Mac Users – Setting up the Workspace Folders • From the recitation page of the course website, download Eclipse and the ObjectEditor package onto your desktop • For all the files, you must right-click and then choose the “Save link as…” or “Save target as…” option • If you are using Safari or Mozilla Firefox • Download the files to your desktop • Drag the files you save from the desktop to the “comp401workspace” folder you opened up earlier

8. Mac Users – Starting Eclipse • Open your “Applications” folder • Open the “eclipse” folder • Double-click on eclipse.exe

9. Setting up the Eclipse Workspace • From this point on, the instructions are the same for Windows and Mac users

10. Setting up the Eclipse Workspace • When you first start Eclipse, you may see the Workspace launcher screen • If you do, click OK

11. Setting up the Eclipse Workspace • When you first start Eclipse, you may see the Startup tab • If you do, you can close it using the “x” button for the tab

12. Setting up the Eclipse Workspace • You should now see something like this

13. Setting up the Eclipse Workspace • If you already gotten some other workspace opened, you can switch between workspaces by clicking on “File” then “Switch Workspace” then “your target workspace”

14. Setting up the comp401 Project • Create a new Java Project by clicking on “File” then “New” and then “Java Project”

15. Setting up the comp401 Project • Select the “Create new project in workspace” • Click Next

16. Setting up the comp401 Project • Click on “Libraries” • You should see something like this • In particular JRE System Library should be in the list • Click on “Add External JARs…”

17. Setting up the comp401 Project • Browse to the “comp401workspace” folder you created • Double-click on oeall13.jar • You should see something like this • oeall13.jar should be in the list • Click on Finish at the bottom of the window

18. Setting up the comp401 Project • You should see something like this

19. Create A JAVA Package • On the tool bar, select “File->New->Package” or click the “New Java Package” icon, create a package called comp401pkg

20. Adding a New Class • Right-click on “comp401pkg” then “New” and then “Class”

21. Adding a New Class • Call the class “ASafeArgPrinter” • Do not change any other settings or enter other information • Click Finish at the bottom of the window

22. Adding a New Class • You should see something like this • Eclipse has already made the class header for you • You can now write the class body in the edit window

23. Running ASafeArgPrinter from Eclipse • Right-click on “ASafeArgPrinter.java” then “Run As…” and then “Java Application”(or Ctrl+F11) • Make sure you have finished the main method before running it.

24. Specify Arguments to Your Program (Review) • Right click on your Java file -> Run As -> Run Configurations -> Arguments

25. Compiling in Eclipse • By default, Eclipse auto-compiles for you so you never have to • To turn auto-compile on or off, click on “Project” and then check or uncheck the “Build Automatically” option • If it is checked, then auto-compile is on

26. Debug Your Programs (1) Debug Perspective (F11) Switch Views

27. Debug Your Programs (2) Check this box.

28. Debug Your Programs (3) Step Into(F5) & Step Over(F6) Watch Set breakpoints on the side bar Code

29. Eclipse and You • You have successfully setup Eclipse for all the programming we will do in our course • Feel free to explore Eclipse and use it for your assignments from now on • If you have any questions or problems about Eclipse, feel free to ask me

30. Screen Captures • Select the window you want to capture. • Press Alt + PrntScr (Windows) or Command + Shift + 4, then Spacebar (Mac) • An image of the screen is in your copy buffer • Paste into document for your assignment.