How to switch Java environments in RHEL 5 and 6

Solution Verified - Updated -

Issue

  • The system does not display the expected version of Java when the user runs java -version:

    # java -version  
    java version "1.4.2"  
    gij (GNU libgcj) version 4.1.2 20071124 (Red Hat 4.1.2-42)  
    
    Copyright (C) 2006 Free Software Foundation, Inc.  
    This is free software; see the source for copying conditions.  There is NO  
    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
  • How to switch Java Environment in Red Hat Enterprise Linux 5
  • How do I switch the Java environment in RHEL 6?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • java

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