Eclipse for SE101 Drexel University Software Engineering Research - - PowerPoint PPT Presentation

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu 1

Eclipse for SE101

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu 2

Starting Eclipse

• Start Eclipse from the command line:

$ eclipse

• You may get the following error:

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu 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

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu 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.

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu 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

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu

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

6

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu

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

7

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu

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

8

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu

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

9

Drexel University Software Engineering Research Group http://serg.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

Drexel University Software Engineering Research Group http://serg.cs.drexel.edu

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

11