Translations by maxim(Feng Liu)

ubuntu-doc@lists.ubuntu.com (Ubuntu Documentation Project)

Writing Your Own Programs

2006-09-07

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Credits and License

This document is maintained by the Ubuntu documentation team (https://wiki.ubuntu.com/DocumentationTeam). For a list of contributors, see the <ulink url="../../libs/C/contributors.xml">contributors page</ulink>

This document is made available under the Creative Commons ShareAlike 2.5 License (CC-BY-SA).

You are free to modify, extend, and improve the Ubuntu documentation source code under the terms of this license. All derivative works must be released under this license.

This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE AS DESCRIBED IN THE DISCLAIMER.

A copy of the license is available here: <ulink url="/usr/share/ubuntu-docs/libs/C/ccbysa.xml">Creative Commons ShareAlike License</ulink>.

2008

Ubuntu Documentation Project

Canonical Ltd. and members of the <placeholder-1/>

The Ubuntu Documentation Project

This section contains information to help you get started writing and running your own programs.

Learning how to program

Ubuntu provides a number of resources intended to help you to learn how to develop and run programs yourself. Below is a list of some resources which you may find useful.

Dive Into Python

<application>Dive Into Python</application> is a book for learning how to program in Python, aimed at programmers with some previous experience.

<ulink url="apt:diveintopython">Install the <application>diveintopython</application> package</ulink>.

To access the documentation, visit <ulink url="file:///usr/share/doc/diveintopython/html/toc/index.html">diveintopython</ulink>.

PyGTK Tutorial

<application>PyGTK Tutorial</application> is a tutorial on developing with the graphical toolkit often used for developing Ubuntu applications. It assumes that you have knowledge of Python but not necessarily GTK.

<ulink url="apt:python-gtk2-tutorial">Install the <application>python-gtk2-tutorial</application> package</ulink>.

To access the documentation, visit <ulink url="file:///usr/share/doc/python-gtk2-tutorial/html/index.html">python-gtk-tutorial</ulink>.

Devhelp

<application>Devhelp</application> is an application to read and search all of the documentation that you install.

<ulink url="apt:devhelp">Install the <application>devhelp</application> package</ulink>.

Choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Programming</guisubmenu><guimenuitem>Devhelp</guimenuitem></menuchoice>.

C and C++

Compiling C and C++ programs requires some packages that are not installed by default.

<ulink url="apt:build-essential">Install the <application>build-essential</application> package</ulink>.

There are many tools available for C and C++ developers. Those wishing to develop graphical applications will find that choosing a graphical toolkit/platform will make development more convenient. The two most popular development platforms for Ubuntu are <quote>GTK/GNOME</quote> and <quote>Qt/KDE</quote>, each of which has its own set of tools and documentation.

Anjuta IDE for GNOME

<application>Anjuta</application> is an IDE for developing applications in C and C++ for the <quote>GNOME</quote> platform.

<ulink url="apt:anjuta">Install the <application>anjuta</application> package</ulink>.

Press <menuchoice><guimenu>Applications</guimenu><guimenuitem>Programming</guimenuitem><guimenuitem>Anjuta IDE</guimenuitem></menuchoice> to start using <application>anjuta</application>.

Java

For <emphasis>PowerPC</emphasis> machines, see <ulink url="https://help.ubuntu.com/community/Java">Ubuntu Help Online</ulink>.

Java, developed by Sun Microsystems, is and interpreted language which is compiled to bytecode. This bytecode can be run on any Java Virtual Machine, making Java a highly portable language. It is object oriented, has similar syntax to C and is designed to be secure.

Installation

Ubuntu supports both Java 1.5 and 1.6 in both Sun and Open Source flavors.

JDK 1.5

<ulink url="apt:sun-java5-jdk">Install the <application>sun-java5-jdk</application> package</ulink>.

Read the Java license presented. You must accept it to continue.

To get your system to use Sun Java instead of the open-source (but less functional) GIJ that is installed by default, run: <screen>sudo update-alternatives --config java</screen> and choose the option that has <filename>j2re1.5-sun</filename> in it.

JDK 1.6

Java 1.6 is also available, and can be installed by following the above directions, swapping all instances of 1.5 to 1.6

<ulink url="apt:sun-java6-jdk">Install the <application>sun-java6-jdk</application> package</ulink>.

To get your system to use Sun Java instead of the open-source (but less functional) GIJ that is installed by default, run: <screen>sudo update-alternatives --config java</screen> and choose the option that has <filename>j2re1.6-sun</filename> in it.