Removing OpenJDK and Installing Oracle JDK in Linux step by step

[root@oel641 ~]# java -version
java version "1.7.0_09-icedtea"
OpenJDK Runtime Environment (rhel-2.3.4.1.0.1.el6_3-x86_64)
OpenJDK 64-Bit Server VM (build 23.2-b09, mixed mode)

[root@oel641 ~]# yum remove java*
Loaded plugins: refresh-packagekit, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package java-1.5.0-gcj.x86_64 0:1.5.0.0-29.1.el6 will be erased
--> Processing Dependency: java-gcj-compat for package: 1:ecj-3.4.2-6.el6.x86_64
--> Processing Dependency: java-gcj-compat for package: 1:ecj-3.4.2-6.el6.x86_64
--> Processing Dependency: java-gcj-compat >= 1.0.70 for package: sinjdoc-0.5-9.1.el6.x86_64
--> Processing Dependency: java-gcj-compat >= 1.0.70 for package: sinjdoc-0.5-9.1.el6.x86_64
---> Package java-1.5.0-gcj-devel.x86_64 0:1.5.0.0-29.1.el6 will be erased
---> Package java-1.5.0-gcj-javadoc.x86_64 0:1.5.0.0-29.1.el6 will be erased
---> Package java-1.6.0-openjdk.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3 will be erased
---> Package java-1.6.0-openjdk-devel.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3 will be erased
---> Package java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3 will be erased
---> Package java-1.7.0-openjdk.x86_64 1:1.7.0.9-2.3.4.1.0.1.el6_3 will be erased
---> Package java-1.7.0-openjdk-devel.x86_64 1:1.7.0.9-2.3.4.1.0.1.el6_3 will be erased
---> Package java_cup.x86_64 1:0.10k-5.el6 will be erased
---> Package javassist.noarch 0:3.9.0-6.el6 will be erased
--> Running transaction check
---> Package ecj.x86_64 1:3.4.2-6.el6 will be erased
---> Package sinjdoc.x86_64 0:0.5-9.1.el6 will be erased
--> Processing Dependency: /usr/share/java/eclipse-ecj.jar for package: gcc-java-4.4.7-3.el6.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package gcc-java.x86_64 0:4.4.7-3.el6 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
 Package                              Arch             Version                                      Repository                                                     Size
========================================================================================================================================================================
Removing:
 java-1.5.0-gcj                       x86_64           1.5.0.0-29.1.el6                             @hclrepo                                                      159 k
 java-1.5.0-gcj-devel                 x86_64           1.5.0.0-29.1.el6                             @hclrepo                                                       57 k
 java-1.5.0-gcj-javadoc               x86_64           1.5.0.0-29.1.el6                             @hclrepo                                                      236 M
 java-1.6.0-openjdk                   x86_64           1:1.6.0.0-1.50.1.11.5.0.1.el6_3              @hclrepo                                                       81 M
 java-1.6.0-openjdk-devel             x86_64           1:1.6.0.0-1.50.1.11.5.0.1.el6_3              @hclrepo                                                       33 M
 java-1.6.0-openjdk-javadoc           x86_64           1:1.6.0.0-1.50.1.11.5.0.1.el6_3              @hclrepo                                                      232 M
 java-1.7.0-openjdk                   x86_64           1:1.7.0.9-2.3.4.1.0.1.el6_3                  @anaconda-OracleLinuxServer-201302251503.x86_64/6.4            89 M
 java-1.7.0-openjdk-devel             x86_64           1:1.7.0.9-2.3.4.1.0.1.el6_3                  @hclrepo                                                       36 M
 java_cup                             x86_64           1:0.10k-5.el6                                @hclrepo                                                      544 k
 javassist                            noarch           3.9.0-6.el6                                  @hclrepo                                                      631 k
Removing for dependencies:
 ecj                                  x86_64           1:3.4.2-6.el6                                @hclrepo                                                      7.3 M
 gcc-java                             x86_64           4.4.7-3.el6                                  @hclrepo                                                      9.3 M
 sinjdoc                              x86_64           0.5-9.1.el6                                  @hclrepo                                                      2.3 M

Transaction Summary
========================================================================================================================================================================
Remove       13 Package(s)

Installed size: 726 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : java-1.5.0-gcj-devel-1.5.0.0-29.1.el6.x86_64                                                                                                        1/13
  Erasing    : java-1.5.0-gcj-javadoc-1.5.0.0-29.1.el6.x86_64                                                                                                      2/13
  Erasing    : javassist-3.9.0-6.el6.noarch                                                                                                                        3/13
  Erasing    : 1:java-1.6.0-openjdk-javadoc-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                   4/13
  Erasing    : 1:java-1.7.0-openjdk-devel-1.7.0.9-2.3.4.1.0.1.el6_3.x86_64                                                                                         5/13
  Erasing    : 1:java-1.7.0-openjdk-1.7.0.9-2.3.4.1.0.1.el6_3.x86_64                                                                                               6/13
  Erasing    : gcc-java-4.4.7-3.el6.x86_64                                                                                                                         7/13
  Erasing    : 1:ecj-3.4.2-6.el6.x86_64                                                                                                                            8/13
  Erasing    : 1:java_cup-0.10k-5.el6.x86_64                                                                                                                       9/13
  Erasing    : sinjdoc-0.5-9.1.el6.x86_64                                                                                                                         10/13
  Erasing    : java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64                                                                                                             11/13
  Erasing    : 1:java-1.6.0-openjdk-devel-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                    12/13
  Erasing    : 1:java-1.6.0-openjdk-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                          13/13
  Verifying  : 1:java-1.6.0-openjdk-javadoc-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                   1/13
  Verifying  : javassist-3.9.0-6.el6.noarch                                                                                                                        2/13
  Verifying  : sinjdoc-0.5-9.1.el6.x86_64                                                                                                                          3/13
  Verifying  : 1:java-1.7.0-openjdk-devel-1.7.0.9-2.3.4.1.0.1.el6_3.x86_64                                                                                         4/13
  Verifying  : java-1.5.0-gcj-devel-1.5.0.0-29.1.el6.x86_64                                                                                                        5/13
  Verifying  : gcc-java-4.4.7-3.el6.x86_64                                                                                                                         6/13
  Verifying  : 1:java_cup-0.10k-5.el6.x86_64                                                                                                                       7/13
  Verifying  : java-1.5.0-gcj-javadoc-1.5.0.0-29.1.el6.x86_64                                                                                                      8/13
  Verifying  : 1:java-1.6.0-openjdk-devel-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                     9/13
  Verifying  : 1:java-1.6.0-openjdk-1.6.0.0-1.50.1.11.5.0.1.el6_3.x86_64                                                                                          10/13
  Verifying  : 1:ecj-3.4.2-6.el6.x86_64                                                                                                                           11/13
  Verifying  : 1:java-1.7.0-openjdk-1.7.0.9-2.3.4.1.0.1.el6_3.x86_64                                                                                              12/13
  Verifying  : java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64                                                                                                             13/13

Removed:
  java-1.5.0-gcj.x86_64 0:1.5.0.0-29.1.el6                                          java-1.5.0-gcj-devel.x86_64 0:1.5.0.0-29.1.el6
  java-1.5.0-gcj-javadoc.x86_64 0:1.5.0.0-29.1.el6                                  java-1.6.0-openjdk.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3
  java-1.6.0-openjdk-devel.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3                   java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.0-1.50.1.11.5.0.1.el6_3
  java-1.7.0-openjdk.x86_64 1:1.7.0.9-2.3.4.1.0.1.el6_3                             java-1.7.0-openjdk-devel.x86_64 1:1.7.0.9-2.3.4.1.0.1.el6_3
  java_cup.x86_64 1:0.10k-5.el6                                                     javassist.noarch 0:3.9.0-6.el6

Dependency Removed:
  ecj.x86_64 1:3.4.2-6.el6                            gcc-java.x86_64 0:4.4.7-3.el6                            sinjdoc.x86_64 0:0.5-9.1.el6

Complete!
[root@oel641 ~]# java -version
-bash: /usr/bin/java: No such file or directory
[root@oel641 ~]#


Install the Oracle JDK:

[root@oel641 repo]# cd /dumps/
[root@oel641 dumps]# ll
total 2146584
-rwxr-xr-x. 1 root root  122639592 Mar 11  2014 jdk-7u51-linux-x64.rpm
-rwxr-xr-x. 1 root root 1068506707 Sep 22 00:13 wls1036_generic.jar

[root@oel641 dumps]# rpm -ivh jdk-7u51-linux-x64.rpm
Preparing...                ########################################### [100%]
   1:jdk                    ########################################### [100%]
Unpacking JAR files...
        rt.jar...
        jsse.jar...
        charsets.jar...
        tools.jar...
        localedata.jar...
        jfxrt.jar...
[root@oel641 dumps]#
[root@oel641 dumps]#

[root@oel641 dumps]# javac -version
javac 1.7.0_51

[root@oel641 dumps]# java -version
java version "1.7.0_51"
Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)