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This article mainly explains "the steps of installing Eclipse under Ubuntu11.04". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn the steps of installing Eclipse under Ubuntu11.04.

1. Install JDK

The Java environment included in ubuntu 11.04 system is openjdk, and it is best to use sunjdk (the specific reason is unknown, as most online tutorials are like this), so first go to the official website (http://www.oracle.com/technetwork/java/javase/downloads/index.html) to download the JDK installation package of "Java SE 6 Update 26":

Linux x86-Self Extracting Installer (81.20 MB) jdk-6u26-linux-i586.bin

1.1. After downloading, start installing JDK, and enter:

Cd Downloads/

Sudo cp jdk-6u26-linux-i586.bin / opt

Cd / opt

Sudo chmod + x jdk-6u26-linux-i586.bin

1.2. Extract the installation package for installation.

The code is as follows:

Sudo. / jdk-6u26-linux-i586.bin

1.3. Next, configure the environment variables and modify the profile file.

The code is as follows:

Sudo gedit / etc/profile

Add the following code to the text:

# Sun JDK profile

Export JAVA_HOME=/opt/jdk1.6.0_26

Export JRE_HOME=/opt/jdk1.6.0_26/jre

Export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib

Export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOME/bin

1.4. Another file, environment, needs to be modified:

Sudo gedit / etc/environment

Add the following code to the text:

# Sun JDK environment

Export JAVA_HOME=/opt/jdk1.6.0_26

Export JRE_Home=/opt/jdk1.6.0_26/jre

Export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib

1.5. Configure JDK manually.

The code is as follows:

Sudo update-alternatives-install / usr/bin/java java / opt/jdk1.6.0_26/bin/java 300

Sudo update-alternatives-install / usr/bin/javac javac / opt/jdk1.6.0_26/bin/javac 300

1.6. Let the system use the JDK we installed.

The code is as follows:

Sudo update-alternatives-config java

1.7. Verify that the JDK installation is successful.

The code is as follows:

Java-version

You will see the following message.

The code is as follows:

Java version "1.6.026"

Java (TM) SE Runtime Environment (build 1.6.0_26-b03)

Java HotSpot (TM) Server VM (build 20.1-b02, mixed mode)

two。 Install Eclipse.

2.1. First, extract the downloaded package and enter it in the terminal:

Tar-zxvf eclipse-SDK-3.6.2-linux-gtk.tar.gz

Sudo mv eclipse / opt/

Sudo gedit / usr/share/applications/Eclipse.desktop

Fill in the text with:

[Desktop Entry]

Name=Eclipse

Comment=Eclipse IDE

Exec=/opt/eclipse/eclipse

Icon=/opt/eclipse/icon.xpm

Terminal=false

Type=Application

Categories=Application;Development

2.2 eclipse installation is complete.

At this point, I believe you have a deeper understanding of the "steps to install Eclipse under Ubuntu11.04". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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