1.复制文件到指定文件路径

cp -rf /home/leehongee/LeeHonGee/jdk1.7.0_45 /usr/lib/jvm

2.创建文件夹

mkdir jvm

3.修改环境变量

sudo gedit /etc/profile

添加

#set java environment

export JAVA_HOME=/usr/lib/jvm/java-7-sun

export JRE_HOME=${JAVA_HOME}/jre

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib

export PATH=${JAVA_HOME}/bin:$PATH

4.配置默认JDK版本

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-7-sun/bin/java 300

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-7-sun/bin/javac 300

执行代码

sudo update-alternatives --config java

5.测试

java -version

----安装 make--------------------------

sudo apt-get install automake

sudo apt-get install gcc

sudo apt-get install build-essential