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解压
chmod +x jdk-6u1-linux-i586.bin ./jdk-6u1-linux-i586.bin 输入"yes"回车 mv jdk1.6.0_01 /usr/local/ ln -s /usr/local/jdk1.6.0_01/ /usr/local/java
/etc/profile.d/java.sh
例 1.1. /etc/profile.d/java.sh
################################################ ### Java environment by neo ################################################ export JAVA_HOME=/usr/local/java export JRE_HOME=/usr/local/java/jre export PATH=$PATH:/usr/local/java/bin:/usr/local/java/jre/bin export CLASSPATH="./:/usr/local/java/lib:/usr/local/java/jre/lib:/usr/local/memcached/api/java" export JAVA_OPTS="-Xms128m -Xmx1024m"