Configuring alternatives for Sun JDK

/usr/sbin/alternatives  \
      --install /usr/bin/java      java        /usr/java/jdk1.8.0_45/bin/java          20000 \
      --slave /usr/lib/jvm/java_home_dir java_home_dir /usr/java/jdk1.8.0_45 \
      --slave /usr/bin/javadoc     javadoc     /usr/java/jdk1.8.0_45/bin/javadoc \
      --slave /usr/bin/javah       javah       /usr/java/jdk1.8.0_45/bin/javah \
      --slave /usr/bin/javap       javap       /usr/java/jdk1.8.0_45/bin/javap \
      --slave /usr/bin/javaws      javaws      /usr/java/jdk1.8.0_45/bin/javaws \
      --slave /usr/bin/jconsole    jconsole    /usr/java/jdk1.8.0_45/bin/jconsole \
      --slave /usr/bin/keytool     keytool     /usr/java/jdk1.8.0_45/bin/keytool \
      --slave /usr/bin/orbd        orbd        /usr/java/jdk1.8.0_45/bin/orbd \
      --slave /usr/bin/pack200     pack200     /usr/java/jdk1.8.0_45/bin/pack200 \
      --slave /usr/bin/rmid        rmid        /usr/java/jdk1.8.0_45/bin/rmid \
      --slave /usr/bin/rmiregistry              rmiregistry   /usr/java/jdk1.8.0_45/bin/rmiregistry \
      --slave /usr/bin/servertool               servertool    /usr/java/jdk1.8.0_45/bin/servertool \
      --slave /usr/bin/tnameserv                tnameserv     /usr/java/jdk1.8.0_45/bin/tnameserv \
      --slave /usr/bin/unpack200                unpack200     /usr/java/jdk1.8.0_45/bin/unpack200 \
      --slave /usr/lib/jvm-exports/jre          jre_exports   /usr/java/jdk1.8.0_45/jre/lib \
      --slave /usr/lib/jvm/jre                  jre           /usr/java/jdk1.8.0_45/jre \
      --slave /usr/share/man/man1/java.1.gz     java.1.gz     /usr/java/jdk1.8.0_45/man/man1/java.1 \
      --slave /usr/share/man/man1/keytool.1.gz  keytool.1.gz  /usr/java/jdk1.8.0_45/man/man1/keytool.1  \
      --slave /usr/share/man/man1/orbd.1.gz     orbd.1.gz     /usr/java/jdk1.8.0_45/man/man1/orbd.1 \
      --slave /usr/share/man/man1/pack200.1.gz  pack200.1.gz  /usr/java/jdk1.8.0_45/man/man1/pack200.1 \
      --slave /usr/share/man/man1/rmid.1.gz     rmid.1.gz     /usr/java/jdk1.8.0_45/man/man1/rmid.1 \
      --slave /usr/share/man/man1/rmiregistry.1.gz rmiregistry.1.gz /usr/java/jdk1.8.0_45/man/man1/rmiregistry.1 \
      --slave /usr/share/man/man1/servertool.1.gz  servertool.1.gz    /usr/java/jdk1.8.0_45/man/man1/servertool.1 \
      --slave /usr/share/man/man1/tnameserv.1.gz   tnameserv.1.gz     /usr/java/jdk1.8.0_45/man/man1/tnameserv.1 \
      --slave /usr/share/man/man1/unpack200.1.gz   unpack200.1.gz     /usr/java/jdk1.8.0_45/man/man1/unpack200.1