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# ./ jdk-6u6-linux-i586-rpm.bin
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           # mkdir /usr/java
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export   JAVA_HOME=/usr/java/ jdk1.6.0_06
export   PATH=$JAVA_HOME/bin:$PATH
export   CLASSPATH=.:JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
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long start = System.currentTimeMillis();
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