centOS6.8安装jdk

  检查Linux系统是否已安装jdk [[email protected]]# rpm -qa | grep java tzdata-java-2016c-1.el6.noarch java-1.6.0-openjdk-1.6.0.38-1.13.10.4.el6.x86_64 java-1.7.0-openjdk-1.7.0.99-2.6.5.1.el6.x86_64 卸载系统自带的java

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