Upgrade Java to 1.7 in OEL

1) Look-up up packages 

yum search java | grep 'java-'

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java-1.6.0-openjdk.x86_64 : OpenJDK Runtime Environment

java-1.6.0-openjdk-demo.x86_64 : OpenJDK Demos

java-1.6.0-openjdk-devel.x86_64 : OpenJDK Development Environment

java-1.6.0-openjdk-javadoc.x86_64 : OpenJDK API Documentation

java-1.6.0-openjdk-src.x86_64 : OpenJDK Source Bundle

java-1.7.0-openjdk.x86_64 : OpenJDK Runtime Environment

java-1.7.0-openjdk-demo.x86_64 : OpenJDK Demos

java-1.7.0-openjdk-devel.x86_64 : OpenJDK Development Environment

java-1.7.0-openjdk-javadoc.x86_64 : OpenJDK API Documentation

java-1.7.0-openjdk-src.x86_64 : OpenJDK Source Bundle

cairo-java-devel.i386 : Compressed Java source files for cairo-java.

cairo-java-devel.x86_64 : Compressed Java source files for cairo-java.

glib-java-devel.i386 : Compressed Java source files for glib-java.

glib-java-devel.x86_64 : Compressed Java source files for glib-java.

java-1.4.2-gcj-compat.x86_64 : JPackage runtime scripts for GCJ

java-1.4.2-gcj-compat-devel.i386 : JPackage development scripts for GCJ

java-1.4.2-gcj-compat-devel.x86_64 : JPackage development scripts for GCJ

java-1.4.2-gcj-compat-javadoc.x86_64 : API documentation for libgcj

java-1.4.2-gcj-compat-src.x86_64 : Source files for libgcj

libgconf-java-devel.i386 : Compressed Java source files for libgconf-java.

libgconf-java-devel.x86_64 : Compressed Java source files for libgconf-java.

libglade-java-devel.i386 : Compressed Java source files for libglade-java.

libglade-java-devel.x86_64 : Compressed Java source files for libglade-java.

libgnome-java-devel.i386 : Compressed Java source files for libgnome-java.

libgnome-java-devel.x86_64 : Compressed Java source files for libgnome-java.

libgtk-java-devel.i386 : Compressed Java source files for libgtk-java.

libgtk-java-devel.x86_64 : Compressed Java source files for libgtk-java.

libvte-java-devel.i386 : Compressed Java source files for libvte-java.

libvte-java-devel.x86_64 : Compressed Java source files for libvte-java.

2) Install the package:

yum install java-1.7.0-openjdk.x86_64