Program use a jave 6 & how to install

1. download java6  http://download.oracle.com/otn/java/jdk/6u45-b06/jre-6u45-linux-x64.bin
2. $ chmod u+x jre-6u45-linux-x64.bin
3. $ ./jre-6u45-linux-x64.bin
4. $ sudo mkdir -p /usr/lib/jvm
5. $ sudo mv jre1.6.0_45 /usr/lib/jvm/
6. $ sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jre1.6.0_45/bin/java" 1
7. $ sudo update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jre1.6.0_45/lib/amd64/libnpjp2.so" 1
8. $ sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jre1.6.0_45/bin/javaws" 1
9. java -version
   java version "1.6.0_45"
   Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
   Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mod