Force uninstall the built-in JDK in LINUX

Forcibly uninstall the built-in JDK [root @ localhost soft] # java-versionjava version "1.4.2" gij (GNU libgcj) version 4.1.2 20071124 (Red Hat 4.1.2-42) [root @ localhost soft] # rpm-qa | grep jdk [root @ localhost soft] # rpm-qa | grep gcjlibgcj-4.1.2-42.el5java-1.4.2-gcj-compat-1.4.2.0-40jpp.115 first confirm the specific jdk version number, then [root @ localhost jdk1.6.0 _ 11] # yum-y remove java-1.4.2-gcj-compat-1.4.2.0-40jpp.115Setting up Remove ProcessRe Solving Dependencies ........... Removed: java-1.4.2-gcj-compat.i386. 4.2.0-40jpp. 115 Dependency Removed: anlr. i386 0: 2. 7.6-4jpp. 2 bsf. i386 0: 2. 3.0-11jpp. 1 bsh. i386 0: 1. 3.0-9jpp. 1 gjdoc. i386 0: 0. 7.7-12. el5 hsqldb. i386 1:1. 8.0.9-1jpp. 2 openoffice.org-calc. i3861: 2.3.0-6.5.el5 openoffice.org-core. i386. 3.0-6.5.el5 openoffice.org-draw. i386. 3.0-6.5.el5 openoffice.org-graphicfilter. i386. 3.0-6.5.el5 openoffice.org-imp Ress. i3861: 2.3.0-6.5.el5 openoffice.org-langpack-zh_CN.i386. 3.0-6.5.el5 openoffice.org-langpack-zh_TW.i386. 3.0-6.5.el5 openoffice.org-math. i386. 3.0-6.5.el5 openoffice.org-writer. i386. 3.0-6.5.el5 openoffice.org-effectfilter. i386. 3.0-6.5.el5 tomcat5-jsp-2.0-api.i386. 5.23-0jpp. 7. el5 tomcat5-servlet-2.4-api.i386. 5.23-0jpp. 7. el5 xalan-j2.i386 0: 2. 7.0-6jpp. 1 xerces-j2.i386 0: 2. 7.1-7jpp. 2 xml-commons-apis.i386. 3.02-0. b2.7jpp. 10 xml-commons-resolver.i386. 1-1jpp.12Complete! (Uninstall completed)