Ubuntu 11.04下安装Eclipse的经验分享
<div style='margin: 0px; padding: 0px; outline: none; line-height: 25.2px; font-size: 14px; font-family: tahoma, arial, "Microsoft YaHei";'>1. 安装JDK</div>
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ubuntu 11.04系统自带的Java环境是openjdk，最好使用sunjdk（具体原因不明，网上教程基本都是这样的），因此先去官方网站（ http://www.oracle.com/technetwork/java/javase/downloads/index.html）下载“ Java SE 6 Update 26 ”的JDK安装包：</div>
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Linux x86 - Self Extracting Installer （81.20 MB） jdk-6u26-linux-i586.bin</div>
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1.1. 下载好后开始安装JDK，在终端里输入：<br><br>
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<span><u>复制代码</u></span>
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代码如下:</div>
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<br>
cd Downloads/<br>
sudo cp jdk-6u26-linux-i586.bin /opt<br>
cd /opt<br>
sudo chmod +x jdk-6u26-linux-i586.bin</div>
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1.2. 解压缩安装包进行安装。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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sudo ./jdk-6u26-linux-i586.bin</div>
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1.3. 接下来要配置环境变量，修改profile文件。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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sudo gedit /etc/profile</div>
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在文本中添加以下代码：</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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<br>
# Sun JDK profile<br>
export JAVA_HOME=/opt/jdk1.6.0_26<br>
export JRE_HOME=/opt/jdk1.6.0_26/jre<br>
export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib<br>
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOME/bin</div>
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1.4. 还要修改另外一个文件environment：</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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sudo gedit /etc/environment</div>
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在文本中添加以下代码：</p>
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</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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# Sun JDK environment<br>
export JAVA_HOME=/opt/jdk1.6.0_26<br>
export JRE_Home=/opt/jdk1.6.0_26/jre<br>
export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib</div>
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1.5. 手动配置JDK。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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sudo update-alternatives --install /usr/bin/java java /opt/jdk1.6.0_26/bin/java 300<br>
sudo update-alternatives --install /usr/bin/javac javac /opt/jdk1.6.0_26/bin/javac 300</div>
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1.6. 让系统使用我们安装的JDK。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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sudo update-alternatives --config java</div>
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1.7. 验证安装JDK是否成功。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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java –version</div>
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将会看到下面的信息。</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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java version "1.6.0_26"<br>
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)<br>
Java HotSpot(TM) Server VM (build 20.1-b02, mixed mode)</div>
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2. 安装Eclipse。</p>
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2.1. 首先解压缩下载好的压缩包，在终端中输入：</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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tar -zxvf eclipse-SDK-3.6.2-linux-gtk.tar.gz<br>
sudo mv eclipse /opt/<br>
sudo gedit /usr/share/applications/Eclipse.desktop</div>
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在文本中填入：</p>
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<span><u>复制代码</u></span>
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代码如下:</div>
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<br>
<br>
Name=Eclipse<br>
Comment=Eclipse IDE<br>
Exec=/opt/eclipse/eclipse<br>
Icon=/opt/eclipse/icon.xpm<br>
Terminal=false<br>
Type=Application<br>
Categories=Application;Development;</div>
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2.2 eclipse安装结束。</p>
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