linux中 gcj的卸载和jdk安装

1.查看jdk版本

[root@test ~]# java -version

java version "1.4.2"

gij (GNU libgcj) version 4.1.2 20070626 (Red Hat 4.1.2-14)





2.卸载jdk



打开终端输入#rpm -qa | grep gcj



[root@test ~]# rpm -qa | grep gcj

libgcj-devel-4.1.2-14.el5

java-1.4.2-gcj-compat-src-1.4.2.0-40jpp.112

libgcj-src-4.1.2-14.el5

libgcj-4.1.2-14.el5

java-1.4.2-gcj-compat-1.4.2.0-40jpp.112

java-1.4.2-gcj-compat-devel-1.4.2.0-40jpp.112

[root@test ~]#





卸载

[root@test ~]# rpm -e --nodeps java-1.4.2-gcj-compat-src-1.4.2.0-40jpp.112

[root@test ~]# rpm -e --nodeps java-1.4.2-gcj-compat-devel-1.4.2.0-40jpp.112

[root@test ~]# rpm -e --nodeps java-1.4.2-gcj-compat-1.4.2.0-40jpp.112

[root@test ~]# java -version

-bash: /usr/bin/java: No such file or directory





3.安装新版本

[root@test ~]# chmod 755 jdk-6u11-linux-i586-rpm.bin

[root@test ~]# ./jdk-6u11-linux-i586-rpm.bin

一路空格键

Do you agree to the above license terms? [yes or no]

选择yes



[root@test ~]# java -version

java version "1.6.0_11"

Java(TM) SE Runtime Environment (build 1.6.0_11-b03)

Java HotSpot(TM) Client VM (build 11.0-b16, mixed mode, sharing)

[root@test ~]#

ok！