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Open JDK to Sun JAVA JDK on Eclipse

This is how to change the ubuntu open jdk to sun jdk Step 1. Open Shell Step 2. indika@indika-lenovo-3000-g550:~$ java -version java version "1.6.0_20" OpenJDK Runtime Environment (IcedTea6 1.9.7) (6b20-1.9.7-0ubuntu1) OpenJDK Server VM (build 19.0-b09, mixed mode) Step3. ndika@indika-lenovo-3000-g550:~$ sudo update-alternatives --config java [sudo] password for indika:  There are 3 choices for the alternative java (providing /usr/bin/java).   Selection    Path                                      Priority   Status ------------------------------------------------------------ * 0            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      auto mode   1            /usr/bin/gij-4.4                           1044      manual mode   2            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      manual mode   3            /usr/lib/jvm/java-6-sun/jre/bin/java       63        manual mode Press enter to keep the current choice[*], or type selection number: 3 update-alter