How to install jre in RHEL5?

How to install jre in RHEL5? -- Linux general technology-Linux technology and application information. For details, refer to the following section. Ladies and gentlemen, I downloaded the jre-6u22-linux-i586.bin, refer to the installation instructions, After configuring the environment variables, now execute java-version, still prompt that the java command is not found.
Jre is installed in/usr/local/java, and the Directory generated after the jre-6u22-linux-i586.bin is executed is:
[Root @ localhost java] # ll
Total 20772
Drwxr-xr-x 8 root 4096 10-16 jre1.6.0 _ 22
-Rwxrwxrwx 1 root 21226886 10-16 jre-6u22-linux-i586.bin

The following is the configuration of/etc/profile. Let's take a look at what went wrong? Thank you !!!
#/Etc/profile

# System wide environment and startup programs, for login setup
# Functions and aliases go in/etc/bashrc

Pathmunge (){
If! Echo $ PATH |/bin/egrep-q "(^ |:) $1 ($ |:)"; then
If ["$2" = "after"]; then
PATH = $ PATH: $1
Else
PATH = $1: $ PATH
Fi
Fi
}

# Ksh workaround
If [-z "$ EUID"-a-x/usr/bin/id]; then
EUID = 'id-U'
UID = 'id-ru'
Fi

# Path manipulation
If ["$ EUID" = "0"]; then
Pathmunge/sbin
Pathmunge/usr/sbin
Pathmunge/usr/local/sbin
Fi

# No core files by default
Ulimit-S-c 0>/dev/null 2> & 1

If [-x/usr/bin/id]; then
USER = "'id-UN '"
LOGNAME = $ USER
MAIL = "/var/spool/mail/$ USER"
Fi

HOSTNAME = '/bin/hostname'
History Size = 1000

If [-z "$ INPUTRC"-! -F "$ HOME/. inputrc"]; then
INPUTRC =/etc/inputrc
Fi
Export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC

For I in/etc/profile. d/*. sh; do
If [-r "$ I"]; then
. $ I
Fi
Done

Unset I
Unset pathmunge

JAVA_HOME =/usr/local/java/jrel.6.0 _ 22
JAVA_BIN =/usr/local/java/jrel.6.0 _ 22/bin
Export JAVA_HOME JAVA_BIN
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