Install and configure JDK in Linux

From: http://blog.csdn.net/lyj_china/archive/2006/06/27/840363.aspx
1. Install JDK

Download JDK directly from Sun: The http://java.sun.com/j2se/1.4.2/download.html provides two downloads:

1. rpm in self-extracting file (j2sdk-1_4_2_04-linux-i586.bin, 32.77 MB) This is a self-extracting file, installed on Linux as follows:

# Chmod U + X./j2sdk-1_4_2_04-linux-i586.bin

#./J2sdk-1_4_2_04-linux-i586.bin

After entering YES as prompted, JDK is decompressed to The./j2sdk1.4.2 _ 04 directory. In order to be consistent with the JDK installation path in the following 2, we will perform the following operations to establish the installation path under/usr/Java and test the file to this path:

# Mkdir/usr/Java

# Cp-Fr./j2sdk1.4.2 _ 04/usr/Java

2. rpm in self-extracting file (j2sdk-1_4_2_04-linux-i586-rpm.bin, 32.77 MB) This is also a self-extracting file, but the extracted file is a j2sdk-1_4_2_04-linux-i586-rpm package, run the RPM command to install it on Linux. The installation is as follows:

# Chmod U + X./j2sdk-1_4_2_04-linux-i586-rpm.bin

#./J2sdk-1_4_2_04-linux-i586-rpm.bin

# Rpm-IVH j2sdk-1_4_2_04-linux-i586-rpm

The installation software automatically installs JDK in the/usr/Java/j2sdk1.4.2 _ 04 directory.

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