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Basics : Develop Simple Apps Fedora

1 byte added, 20:35, 18 January 2011
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== Your First C Program in Eclipse ==
The first thing you have to do is to select the C/C++ perspective. You can do this by clicking the icon pointed to by the red arrow and selecting C/C++. [[Image:Screenshot-3.png|thumb]]
Your workbench is now configured for C/C++ development. [[Image:Screenshot-4.png|thumb]]
Next select '''File, New, C Project''' from the main menu. [[Image:Screenshot-5.png|thumb]]
Enter the name of your project, '''FirstCProject''', and for the executable type select '''Hello World ANSI C Project''', and then click on the '''Finish''' button. [[Image:Screenshot-7.png|thumb]]
Notice that you now have a simple Hello World program in the editor window. If you like you may make a small change to the program and save it or you can just leave it as is. [[Image:Screenshot-8.png|thumb]]
To execute the program select '''Run As''' from the '''Run''' menu. Then select '''Local C/C++ Application'''. [[Image:Screenshot-9.png|thumb]]
The output of your program is displayed in the '''Console''' window at the bottom of the workbench. [[Image:Screenshot-10.png|thumb]] 
== Your First Java Program in Eclipse ==
First, start by selecting the Java perspective.[[Image:j1.png|thumb]]  
In the Java perspective select '''File''', '''New''', '''Java Project'''.
[[Image:j3.png|thumb]]
In the Java perspective select '''File''', '''New''', '''Java Project'''. [[Image:j3.png|thumb]]
Enter your Java project name, '''FirstJavaProject''' and then click '''Finish'''.
[[Image:j4.png|thumb]]
Enter your Java project name, '''FirstJavaProject''' and then click '''Finish'''. [[Image:j4.png|thumb]]
Select '''File''', '''New''', '''Class'''.
[[Image:j6.png|thumb]]
Select '''File''', '''New''', '''Class'''. [[Image:j6.png|thumb]]
Now enter the name of your class, '''First''' and check the box '''public static void main(String[] args)''' and then click '''Finish'''.
[[Image:j7.png|thumb]]
Now enter the name of your class, '''First''' and check the box '''public static void main(String[] args)''' and then click '''Finish'''. [[Image:j7.png|thumb]]
In the edit view add in your print method as shown.
[[Image:j9.png|thumb]]
In the edit view add in your print method as shown. [[Image:j9.png|thumb]]
Your Java program is now complete.
[[Image:j10.png|thumb]]
Your Java program is now complete. [[Image:j10.png|thumb]]
Save your program and then select '''Run''', '''Run As''', '''Java Application'''. [[Image:j12.png|thumb]]
The output of your program is shown in the '''Console''' view. [[Image:j13.png|thumb]]
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