CentOS下yum安装jdk
jdk安装极其简单，因为java应用太广泛。先看下系统中是否已安装，已安装了先卸载，没安装则直接通过yum一步到位安装即可。
1、看本机是否已有jdk
# java -version -bash: java: command not found
2、看yum下的安装包
# yum -y list java* Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile Available Packages java--openjdk.x86_64 :1.6.0.41-1.13.13.1.el7_3 os java--openjdk-demo.x86_64 :1.6.0.41-1.13.13.1.el7_3 os java--openjdk-devel.x86_64 :1.6.0.41-1.13.13.1.el7_3 os java--openjdk-javadoc.x86_64 :1.6.0.41-1.13.13.1.el7_3 os java--openjdk-src.x86_64 :1.6.0.41-1.13.13.1.el7_3 os java--openjdk.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-accessibility.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-demo.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-devel.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-headless.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-javadoc.noarch :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk-src.x86_64 :1.7.0.221-2.6.18.0.el7_6 updates java--openjdk.i686 :.el7_6 updates java--openjdk.x86_64 :.el7_6 updates java--openjdk-accessibility.i686 :.el7_6 updates java--openjdk-accessibility.x86_64 :.el7_6 updates java--openjdk-accessibility-debug.i686 :.el7_6 updates java--openjdk-accessibility-debug.x86_64 :.el7_6 updates java--openjdk-debug.i686 :.el7_6 updates java--openjdk-debug.x86_64 :.el7_6 updates java--openjdk-demo.i686 :.el7_6 updates java--openjdk-demo.x86_64 :.el7_6 updates java--openjdk-demo-debug.i686 :.el7_6 updates java--openjdk-demo-debug.x86_64 :.el7_6 updates java--openjdk-devel.i686 :.el7_6 updates java--openjdk-devel.x86_64 :.el7_6 updates java--openjdk-devel-debug.i686 :.el7_6 updates java--openjdk-devel-debug.x86_64 :.el7_6 updates java--openjdk-headless.i686 :.el7_6 updates java--openjdk-headless.x86_64 :.el7_6 updates java--openjdk-headless-debug.i686 :.el7_6 updates java--openjdk-headless-debug.x86_64 :.el7_6 updates java--openjdk-javadoc.noarch :.el7_6 updates java--openjdk-javadoc-debug.noarch :.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-src.i686 :.el7_6 updates java--openjdk-src.x86_64 :.el7_6 updates java--openjdk-src-debug.i686 :.el7_6 updates java--openjdk-src-debug.x86_64 :.el7_6 updates java--openjdk.i686 :.el7_6 updates java--openjdk.x86_64 :.el7_6 updates java--openjdk-debug.i686 :.el7_6 updates java--openjdk-debug.x86_64 :.el7_6 updates java--openjdk-demo.i686 :.el7_6 updates java--openjdk-demo.x86_64 :.el7_6 updates java--openjdk-demo-debug.i686 :.el7_6 updates java--openjdk-demo-debug.x86_64 :.el7_6 updates java--openjdk-devel.i686 :.el7_6 updates java--openjdk-devel.x86_64 :.el7_6 updates java--openjdk-devel-debug.i686 :.el7_6 updates java--openjdk-devel-debug.x86_64 :.el7_6 updates java--openjdk-headless.i686 :.el7_6 updates java--openjdk-headless.x86_64 :.el7_6 updates java--openjdk-headless-debug.i686 :.el7_6 updates java--openjdk-headless-debug.x86_64 :.el7_6 updates java--openjdk-javadoc.i686 :.el7_6 updates java--openjdk-javadoc.x86_64 :.el7_6 updates java--openjdk-javadoc-debug.i686 :.el7_6 updates java--openjdk-javadoc-debug.x86_64 :.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-javadoc-:.el7_6 updates java--openjdk-jmods.i686 :.el7_6 updates java--openjdk-jmods.x86_64 :.el7_6 updates java--openjdk-jmods-debug.i686 :.el7_6 updates java--openjdk-jmods-debug.x86_64 :.el7_6 updates java--openjdk-src.i686 :.el7_6 updates java--openjdk-src.x86_64 :.el7_6 updates java--openjdk-src-debug.i686 :.el7_6 updates java--openjdk-src-debug.x86_64 :.el7_6 updates java-atk-wrapper.i686 -.el7 os java-atk-wrapper.x86_64 -.el7 os java-dirq.noarch .el7 epel java-dirq-javadoc.noarch .el7 epel java-oauth.noarch -.el7 epel java-oauth-javadoc.noarch -.el7 epel java-runtime-decompiler.noarch .el7 epel java-runtime-decompiler-javadoc.noarch .el7 epel java_cup.noarch :.11a-.el7 os java_cup-javadoc.noarch :.11a-.el7 os java_cup-manual.noarch :.11a-.el7 os javacc.noarch .el7 os javacc-demo.noarch .el7 os javacc-javadoc.noarch .el7 os javacc-manual.noarch .el7 os javacc-maven-plugin.noarch .el7 os javacc-maven-plugin-javadoc.noarch .el7 os javamail.noarch -.el7 os javamail-javadoc.noarch -.el7 os javapackages-tools.noarch -.el7 os javaparser.noarch -.el7 epel javaparser-javadoc.noarch -.el7 epel javassist.noarch -.el7 os javassist-javadoc.noarch -.el7 os javastroke.x86_64 -.el7 epel javawriter.noarch -.el7 epel javawriter-javadoc.noarch -.el7 epel
3、安装挑好的jdk版本
# -openjdk* Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package java--openjdk.x86_64 :.el7_6 will be installed --> Processing Dependency: xorg-x11-fonts-Type1 :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libpng15.so.(PNG15_0)(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: fontconfig(x86-) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libpng15.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libgif.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libXtst.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libXrender.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libXi.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libXext.so.()(64bit) :java--openjdk-.el7_6.x86_64 --> Processing Dependency: libX11.so.()(64bit) :java--openjdk-.el7_6.x86_64 ---> Package java--openjdk-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-demo.x86_64 :.el7_6 will be installed ---> Package java--openjdk-demo-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-devel.x86_64 :.el7_6 will be installed ---> Package java--openjdk-devel-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-headless.x86_64 :.el7_6 will be installed --> Processing Dependency: tzdata-java >= 2015d :java--openjdk-headless-.el7_6.x86_64 --> Processing Dependency: nss-softokn(x86-) >= :java--openjdk-headless-.el7_6.x86_64 --> Processing Dependency: nss(x86-) >= :java--openjdk-headless-.el7_6.x86_64 --> Processing Dependency: copy-jdk-configs >= :java--openjdk-headless-.el7_6.x86_64 --> Processing Dependency: lksctp-tools(x86-) :java--openjdk-headless-.el7_6.x86_64 --> Processing Dependency: javapackages-tools :java--openjdk-headless-.el7_6.x86_64 ---> Package java--openjdk-headless-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-javadoc.x86_64 :.el7_6 will be installed ---> Package java--openjdk-javadoc-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-javadoc-:.el7_6 will be installed ---> Package java--openjdk-javadoc-:.el7_6 will be installed ---> Package java--openjdk-jmods.x86_64 :.el7_6 will be installed ---> Package java--openjdk-jmods-debug.x86_64 :.el7_6 will be installed ---> Package java--openjdk-src.x86_64 :.el7_6 will be installed ---> Package java--openjdk-src-debug.x86_64 :.el7_6 will be installed --> Running transaction check ---> Package copy-jdk-configs.noarch :.el7_5 will be installed ---> Package fontconfig.x86_64 :-4.3.el7 will be installed --> Processing Dependency: freetype >= -4.3.el7.x86_64 --> Processing Dependency: fontpackages-filesystem -4.3.el7.x86_64 --> Processing Dependency: dejavu-sans-fonts -4.3.el7.x86_64 ---> Package giflib.x86_64 :-.el7 will be installed --> Processing Dependency: libSM.so.()(64bit) -.el7.x86_64 --> Processing Dependency: libICE.so.()(64bit) -.el7.x86_64 ---> Package javapackages-tools.noarch :-.el7 will be installed --> Processing Dependency: python-javapackages = -.el7 -.el7.noarch --> Processing Dependency: libxslt -.el7.noarch ---> Package libX11.x86_64 :-.el7 will be installed --> Processing Dependency: libX11-common >= -.el7 -.el7.x86_64 --> Processing Dependency: libxcb.so.()(64bit) -.el7.x86_64 ---> Package libXext.x86_64 :-.el7 will be installed ---> Package libXi.x86_64 :-.el7 will be installed ---> Package libXrender.x86_64 :-.el7 will be installed ---> Package libXtst.x86_64 :-.el7 will be installed ---> Package libpng.x86_64 :-.el7_2 will be installed ---> Package lksctp-tools.x86_64 :-.el7 will be installed ---> Package nss.x86_64 :-.el7 will be updated --> Processing Dependency: nss = -.el7 -.el7.x86_64 --> Processing Dependency: nss(x86-) = -.el7 -.el7.x86_64 ---> Package nss.x86_64 :-7.1.el7_6 will be an update --> Processing Dependency: nss-util >= --7.1.el7_6.x86_64 --> Processing Dependency: nspr >= -7.1.el7_6.x86_64 --> Processing Dependency: libnssutil3.so(NSSUTIL_3.)(64bit) -7.1.el7_6.x86_64 ---> Package nss-softokn.x86_64 :-.el7 will be updated ---> Package nss-softokn.x86_64 :-.el7_5 will be an update --> Processing Dependency: nss-softokn-freebl(x86-) >= -.el7_5 -.el7_5.x86_64 ---> Package tzdata-java.noarch :2019a-.el7 will be installed ---> Package xorg-x11-fonts-Type1.noarch :.el7 will be installed --> Processing Dependency: ttmkfdir .el7.noarch --> Processing Dependency: ttmkfdir .el7.noarch --> Processing Dependency: mkfontdir .el7.noarch --> Processing Dependency: mkfontdir .el7.noarch --> Running transaction check ---> Package dejavu-sans-fonts.noarch :.el7 will be installed --> Processing Dependency: dejavu-fonts-common = .el7 .el7.noarch ---> Package fontpackages-filesystem.noarch :.el7 will be installed ---> Package freetype.x86_64 :-.el7 will be updated ---> Package freetype.x86_64 :.el7_6. will be an update ---> Package libICE.x86_64 :-.el7 will be installed ---> Package libSM.x86_64 :-.el7 will be installed ---> Package libX11-common.noarch :-.el7 will be installed ---> Package libxcb.x86_64 :.el7 will be installed --> Processing Dependency: libXau.so.()(64bit) .el7.x86_64 ---> Package libxslt.x86_64 :-.el7 will be installed ---> Package nspr.x86_64 :-1.0.el7_3 will be updated ---> Package nspr.x86_64 :-.el7_5 will be an update ---> Package nss-softokn-freebl.x86_64 :-.el7 will be updated ---> Package nss-softokn-freebl.x86_64 :-.el7_5 will be an update ---> Package nss-sysinit.x86_64 :-.el7 will be updated ---> Package nss-sysinit.x86_64 :-7.1.el7_6 will be an update ---> Package nss-tools.x86_64 :-.el7 will be updated ---> Package nss-tools.x86_64 :-7.1.el7_6 will be an update ---> Package nss-util.x86_64 :-.el7 will be updated ---> Package nss-util.x86_64 :-1.1.el7_6 will be an update ---> Package python-javapackages.noarch :-.el7 will be installed --> Processing Dependency: python-lxml -.el7.noarch ---> Package ttmkfdir.x86_64 :-.el7 will be installed ---> Package xorg-x11-font-utils.x86_64 :.el7 will be installed --> Processing Dependency: libfontenc.so.()(64bit) :xorg-x11-font-utils-.el7.x86_64 --> Running transaction check ---> Package dejavu-fonts-common.noarch :.el7 will be installed ---> Package libXau.x86_64 :-2.1.el7 will be installed ---> Package libfontenc.x86_64 :-.el7 will be installed ---> Package python-lxml.x86_64 :-.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================================================================== Package Arch Version Repository Size ======================================================================================================================================================================== Installing: java--openjdk x86_64 :.el7_6 updates k java--openjdk-debug x86_64 :.el7_6 updates k java--openjdk-demo x86_64 :.el7_6 updates 4.3 M java--openjdk-demo-debug x86_64 :.el7_6 updates 4.3 M java--openjdk-devel x86_64 :.el7_6 updates 3.3 M java--openjdk-devel-debug x86_64 :.el7_6 updates 3.3 M java--openjdk-headless x86_64 :.el7_6 updates M java--openjdk-headless-debug x86_64 :.el7_6 updates M java--openjdk-javadoc x86_64 :.el7_6 updates M java--openjdk-javadoc-debug x86_64 :.el7_6 updates M java--openjdk-javadoc-:.el7_6 updates M java--openjdk-javadoc-:.el7_6 updates M java--openjdk-jmods x86_64 :.el7_6 updates M java--openjdk-jmods-debug x86_64 :.el7_6 updates M java--openjdk-src x86_64 :.el7_6 updates M java--openjdk-src-debug x86_64 :.el7_6 updates M Installing for dependencies: copy-jdk-configs noarch .el7_5 os k dejavu-fonts-common noarch .el7 os k dejavu-sans-fonts noarch .el7 os 1.4 M fontconfig x86_64 - k fontpackages-filesystem noarch .el7 os 9.9 k giflib x86_64 -.el7 os k javapackages-tools noarch -.el7 os k libICE x86_64 -.el7 os k libSM x86_64 -.el7 os k libX11 x86_64 -.el7 os k libX11-common noarch -.el7 os k libXau x86_64 - k libXext x86_64 -.el7 os k libXi x86_64 -.el7 os k libXrender x86_64 -.el7 os k libXtst x86_64 -.el7 os k libfontenc x86_64 -.el7 os k libpng x86_64 :-.el7_2 os k libxcb x86_64 .el7 os k libxslt x86_64 -.el7 os k lksctp-tools x86_64 -.el7 os k python-javapackages noarch -.el7 os k python-lxml x86_64 -.el7 os k ttmkfdir x86_64 -.el7 os k tzdata-java noarch 2019a-.el7 updates k xorg-x11-font-utils x86_64 :.el7 os k xorg-x11-fonts-Type1 noarch .el7 os k Updating for dependencies: freetype x86_64 .el7_6. updates k nspr x86_64 -.el7_5 os k nss x86_64 - k nss-softokn x86_64 -.el7_5 os k nss-softokn-freebl x86_64 -.el7_5 os k nss-sysinit x86_64 - k nss-tools x86_64 - k nss-util x86_64 - k Transaction Summary ======================================================================================================================================================================== Install Packages (+ Dependent packages) Upgrade ( Dependent packages) Total download size: M Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. (/): dejavu-fonts-common-.el7.noarch.rpm | kB :: (/): copy-jdk-configs-.el7_5.noarch.rpm | kB :: (/): fontconfig-- kB :: (/): fontpackages-filesystem-.el7.noarch.rpm | :: (/): giflib--.el7.x86_64.rpm | kB :: (/): dejavu-sans-fonts-.el7.noarch.rpm | :: (/): java--openjdk-.el7_6.x86_64.rpm | kB :: (/): freetype-.el7_6..x86_64.rpm | kB :: (/): java--openjdk-debug-.el7_6.x86_64.rpm | kB :: (/): java--openjdk-demo-.el7_6.x86_64.rpm | :: (/): java--openjdk-demo-debug-.el7_6.x86_64.rpm | :: (/): java--openjdk-devel-.el7_6.x86_64.rpm | :: (/): java--openjdk-headless-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-headless-debug-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-devel-debug-.el7_6.x86_64.rpm | :: (/): java--openjdk-javadoc-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-javadoc-debug-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-javadoc-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-javadoc-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-jmods-debug-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-src-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-jmods-.el7_6.x86_64.rpm | MB :: (/): java--openjdk-src-debug-.el7_6.x86_64.rpm | MB :: (/): libICE--.el7.x86_64.rpm | kB :: (/): javapackages-tools--.el7.noarch.rpm | kB :: (/): libSM--.el7.x86_64.rpm | kB :: (/): libX11-common--.el7.noarch.rpm | kB :: (/): libXau-- kB :: (/): libXext--.el7.x86_64.rpm | kB :: (/): libXi--.el7.x86_64.rpm | kB :: (/): libX11--.el7.x86_64.rpm | kB :: (/): libXrender--.el7.x86_64.rpm | kB :: (/): libfontenc--.el7.x86_64.rpm | kB :: (/): libXtst--.el7.x86_64.rpm | kB :: (/): libpng--.el7_2.x86_64.rpm | kB :: (/): libxslt--.el7.x86_64.rpm | kB :: (/): libxcb-.el7.x86_64.rpm | kB :: (/): nspr--.el7_5.x86_64.rpm | kB :: (/): lksctp-tools--.el7.x86_64.rpm | kB :: (/): nss-softokn-freebl--.el7_5.x86_64.rpm | kB :: (/): nss-softokn--.el7_5.x86_64.rpm | kB :: (/): nss-sysinit-- kB :: (/): nss-tools-- kB :: (/): nss-- kB :: (/): nss-util-- kB :: (/): python-javapackages--.el7.noarch.rpm | kB :: (/): ttmkfdir--.el7.x86_64.rpm | kB :: (/): python-lxml--.el7.x86_64.rpm | kB :: (/): xorg-x11-font-utils-.el7.x86_64.rpm | kB :: (/): xorg-x11-fonts-Type1-.el7.noarch.rpm | kB :: (/): tzdata-java-2019a-.el7.noarch.rpm | kB :: ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total MB/s | MB :: Running transaction check Running transaction test Transaction test succeeded Running transaction Updating : nspr--.el7_5.x86_64 / Updating : nss-util--/ Installing : :libpng--.el7_2.x86_64 / Updating : freetype-.el7_6..x86_64 / Installing : copy-jdk-configs-.el7_5.noarch / Installing : tzdata-java-2019a-.el7.noarch / Installing : libICE--.el7.x86_64 / Installing : libxslt--.el7.x86_64 / Installing : lksctp-tools--.el7.x86_64 / Installing : fontpackages-filesystem-.el7.noarch / Installing : dejavu-fonts-common-.el7.noarch / Installing : dejavu-sans-fonts-.el7.noarch / Installing : fontconfig--/ Installing : python-lxml--.el7.x86_64 / Installing : python-javapackages--.el7.noarch / Installing : javapackages-tools--.el7.noarch / Installing : libSM--.el7.x86_64 / Installing : ttmkfdir--.el7.x86_64 / Updating : nss-softokn-freebl--.el7_5.x86_64 / Updating : nss-softokn--.el7_5.x86_64 / Updating : nss-sysinit--/ Updating : nss--/ Installing : :java--openjdk-headless-debug-.el7_6.x86_64 / Installing : :java--openjdk-headless-.el7_6.x86_64 / Installing : libfontenc--.el7.x86_64 / Installing : :xorg-x11-font-utils-.el7.x86_64 / Installing : xorg-x11-fonts-Type1-.el7.noarch / Installing : libX11-common--.el7.noarch / Installing : libXau--/ Installing : libxcb-.el7.x86_64 / Installing : libX11--.el7.x86_64 / Installing : libXext--.el7.x86_64 / Installing : libXi--.el7.x86_64 / Installing : libXtst--.el7.x86_64 / Installing : giflib--.el7.x86_64 / Installing : libXrender--.el7.x86_64 / Installing : :java--openjdk-debug-.el7_6.x86_64 / Installing : :java--openjdk-.el7_6.x86_64 / Installing : :java--openjdk-devel-.el7_6.x86_64 / Installing : :java--openjdk-devel-debug-.el7_6.x86_64 / Installing : :java--openjdk-jmods-debug-.el7_6.x86_64 / Installing : :java--openjdk-jmods-.el7_6.x86_64 / Installing : :java--openjdk-demo-.el7_6.x86_64 / Installing : :java--openjdk-demo-debug-.el7_6.x86_64 / Installing : :java--openjdk-javadoc-.el7_6.x86_64 / Installing : :java--openjdk-javadoc-.el7_6.x86_64 / Installing : :java--openjdk-src-.el7_6.x86_64 / Installing : :java--openjdk-javadoc-debug-.el7_6.x86_64 / Installing : :java--openjdk-javadoc-.el7_6.x86_64 / Installing : :java--openjdk-src-debug-.el7_6.x86_64 / Updating : nss-tools--/ Cleanup : nss-tools--.el7.x86_64 / Cleanup : nss-sysinit--.el7.x86_64 / Cleanup : nss--.el7.x86_64 / Cleanup : nss-softokn--.el7.x86_64 / Cleanup : nss-util--.el7.x86_64 / Cleanup : nspr--/ Cleanup : nss-softokn-freebl--.el7.x86_64 / Cleanup : freetype--.el7.x86_64 / Verifying : libXext--.el7.x86_64 / Verifying : libXi--.el7.x86_64 / Verifying : :java--openjdk-javadoc-.el7_6.x86_64 / Verifying : fontconfig--/ Verifying : giflib--.el7.x86_64 / Verifying : nss-tools--/ Verifying : libXrender--.el7.x86_64 / Verifying : :xorg-x11-font-utils-.el7.x86_64 / Verifying : python-lxml--.el7.x86_64 / Verifying : :java--openjdk-headless-debug-.el7_6.x86_64 / Verifying : :libpng--.el7_2.x86_64 / Verifying : :java--openjdk-javadoc-.el7_6.x86_64 / Verifying : fontpackages-filesystem-.el7.noarch / Verifying : ttmkfdir--.el7.x86_64 / Verifying : nss-util--/ Verifying : :java--openjdk-debug-.el7_6.x86_64 / Verifying : :java--openjdk-javadoc-debug-.el7_6.x86_64 / Verifying : nss-sysinit--/ Verifying : dejavu-fonts-common-.el7.noarch / Verifying : :java--openjdk-jmods-.el7_6.x86_64 / Verifying : libXtst--.el7.x86_64 / Verifying : :java--openjdk-jmods-debug-.el7_6.x86_64 / Verifying : lksctp-tools--.el7.x86_64 / Verifying : nss--/ Verifying : libxcb-.el7.x86_64 / Verifying : xorg-x11-fonts-Type1-.el7.noarch / Verifying : :java--openjdk-demo-.el7_6.x86_64 / Verifying : libxslt--.el7.x86_64 / Verifying : freetype-.el7_6..x86_64 / Verifying : libX11--.el7.x86_64 / Verifying : dejavu-sans-fonts-.el7.noarch / Verifying : libICE--.el7.x86_64 / Verifying : tzdata-java-2019a-.el7.noarch / Verifying : :java--openjdk-devel-debug-.el7_6.x86_64 / Verifying : :java--openjdk-.el7_6.x86_64 / Verifying : javapackages-tools--.el7.noarch / Verifying : :java--openjdk-src-.el7_6.x86_64 / Verifying : nss-softokn--.el7_5.x86_64 / Verifying : libXau--/ Verifying : :java--openjdk-devel-.el7_6.x86_64 / Verifying : libSM--.el7.x86_64 / Verifying : nspr--.el7_5.x86_64 / Verifying : libX11-common--.el7.noarch / Verifying : :java--openjdk-javadoc-.el7_6.x86_64 / Verifying : :java--openjdk-src-debug-.el7_6.x86_64 / Verifying : nss-softokn-freebl--.el7_5.x86_64 / Verifying : libfontenc--.el7.x86_64 / Verifying : :java--openjdk-demo-debug-.el7_6.x86_64 / Verifying : python-javapackages--.el7.noarch / Verifying : copy-jdk-configs-.el7_5.noarch / Verifying : :java--openjdk-headless-.el7_6.x86_64 / Verifying : nspr--/ Verifying : freetype--.el7.x86_64 / Verifying : nss-softokn--.el7.x86_64 / Verifying : nss-util--.el7.x86_64 / Verifying : nss-softokn-freebl--.el7.x86_64 / Verifying : nss--.el7.x86_64 / Verifying : nss-sysinit--.el7.x86_64 / Verifying : nss-tools--.el7.x86_64 / Installed: java--openjdk.x86_64 :.el7_6 java--openjdk-debug.x86_64 :.el7_6 java--openjdk-demo.x86_64 :.el7_6 java--openjdk-demo-debug.x86_64 :.el7_6 java--openjdk-devel.x86_64 :.el7_6 java--openjdk-devel-debug.x86_64 :.el7_6 java--openjdk-headless.x86_64 :.el7_6 java--openjdk-headless-debug.x86_64 :.el7_6 java--openjdk-javadoc.x86_64 :.el7_6 java--openjdk-javadoc-debug.x86_64 :.el7_6 java--openjdk-javadoc-:.el7_6 java--openjdk-javadoc-:.el7_6 java--openjdk-jmods.x86_64 :.el7_6 java--openjdk-jmods-debug.x86_64 :.el7_6 java--openjdk-src.x86_64 :.el7_6 java--openjdk-src-debug.x86_64 :.el7_6 Dependency Installed: copy-jdk-configs.noarch :.el7_5 dejavu-fonts-common.noarch :.el7 dejavu-sans-fonts.noarch :.el7 fontconfig.x86_64 :-4.3.el7 fontpackages-filesystem.noarch :.el7 giflib.x86_64 :-.el7 javapackages-tools.noarch :-.el7 libICE.x86_64 :-.el7 libSM.x86_64 :-.el7 libX11.x86_64 :-.el7 libX11-common.noarch :-.el7 libXau.x86_64 :-2.1.el7 libXext.x86_64 :-.el7 libXi.x86_64 :-.el7 libXrender.x86_64 :-.el7 libXtst.x86_64 :-.el7 libfontenc.x86_64 :-.el7 libpng.x86_64 :-.el7_2 libxcb.x86_64 :.el7 libxslt.x86_64 :-.el7 lksctp-tools.x86_64 :-.el7 python-javapackages.noarch :-.el7 python-lxml.x86_64 :-.el7 ttmkfdir.x86_64 :-.el7 tzdata-java.noarch :2019a-.el7 xorg-x11-font-utils.x86_64 :.el7 xorg-x11-fonts-Type1.noarch :.el7 Dependency Updated: freetype.x86_64 :.el7_6. nspr.x86_64 :-.el7_5 nss.x86_64 :-:-.el7_5 nss-softokn-freebl.x86_64 :-.el7_5 nss-sysinit.x86_64 :-:-:-1.1.el7_6 Complete!
4、好了，可以开始跑java应用了
# java -version openjdk version -- LTS OpenJDK Runtime Environment +-LTS) OpenJDK -Bit Server VM +-LTS, mixed mode, sharing)
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