You are Welcome! The Tutorial shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 SE Release for Linux Red Hat RHEL 6.4 KDE4 x8664 Desktop.
After Installing you will need to Use the update-alternatives Tool to Update your System Java to Sun SE JDK 7.
To the Post Bottom you Find Link to Installing the Tomcat7 Java Web-Server for RHEL Distro.
The Screenshots of Installation Correspond to the Install on a Red Hat RHEL Linux 6 KDE Desktop but the Procedure on GNOME, XFCE… Should be Near Identical.
Following the Easiest and Practicable Way I have Expressly Excluded the Use of Terminal Commands here.
So Take the Time of Carefully Reading and Executing the Instructions Contained Here and All should Work Like a Breeze :)

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Download Latest Oracle Java SE JDK 7:
Oracle JDK Linux x64.rpm