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Eclipse for SE101

Eclipse for SE101. Starting Eclipse. Start Eclipse from the command line: $ eclipse You may get the following error:. Fixing the SWT error. From the command line, run: Ln –s creates a symbolic link $ ln -s / usr /lib/ jni / libswt -* ~/. swt /lib/ linux /x86_64/

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Eclipse for SE101

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  1. Eclipse for SE101

  2. Starting Eclipse • Start Eclipse from the command line: $ eclipse • You may get the following error:

  3. Fixing the SWT error • From the command line, run: • Ln –s creates a symbolic link $ ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86_64/ • Ln –s is used to create a symbolic link to the correct libraries in /usr/lib from your home folder

  4. Starting Eclipse, again • Start Eclipse from the command line: $ eclipse • You will be prompted to specify a workspace where your code will be stored. • For your SE101 assignments, use the ~/se101/git folder you created in your home folder.

  5. Create a project • Click File – New – Project • Select Java Project and click Next • For the project name, type A1-2.171 • If you haven’t already created the bin and src folders, you have Eclipse do it for you under Project Layout • Click Finish • Click yes to switch to the Java Perspective

  6. Create a new class • Try creating a test class called hello.java by right clicking the project in the package explorer and selecting New – Class

  7. Editing code • Name the class hello and click finish • In the editor, paste in our hello.java app • Save hello.java • Run hello.java by clicking the green arrow • The output is in the console at the bottom of the screen

  8. Editing code • If I have made a mistake (e.g., I wrote system in lower case), I will get error messages when I run it. • Eclipse underlines the error and lists it under the problems tab

  9. Accessing tux off campus • To run Eclipse, you will need an X server • Included with most Linux / Mac distributions or can be downloaded separately • From a Linux / Mac terminal, connect to tux $ ssh -x username@tux.cs.drexel.edu

  10. Accessing tux off campus • For Windows, download: • Putty: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html • Putty is an SSH client used to connect to tux • Xming: http://sourceforge.net/projects/xming/files/Xming/6.9.0.31/Xming-6-9-0-31-setup.exe/download • Xming is an X server used for Eclipse

  11. Accessing tux off campus • Start putty and type tux.cs.drexel.edu for the host name • Under Connection – SSH – X11 check “Enable X11 Forwarding” • Click Open

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