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现在因为安全等因素,有些服务器不通外网。所以为初学者整理了一份安装jdk的教程,有需要的可以看看。
链接: 百度网盘 请输入提取码 提取码: a26n
- # /usr/local/jdk
- $ tar zxvf jdk-8u141-linux-x64.tar.gz
- # 移动
- $ mv jdk1.8.0_141 /usr/local/
$cp /etc/profile /home/ctl/
- # 编辑
- $vi /etc/profile
-
- #加入如下内容
- export JAVA_HOME=/usr/local/jdk1.8.0_141
- export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
- export PATH=$JAVA_HOME/bin:$PATH
$source /etc/profile
- $javac
- Usage: javac <options> <source files>
- where possible options include:
- -g Generate all debugging info
- -g:none Generate no debugging info
- -g:{lines,vars,source} Generate only some debugging info
- -nowarn Generate no warnings
- -verbose Output messages about what the compiler is doing
- -deprecation Output source locations where deprecated APIs are used
- -classpath <path> Specify where to find user class files and annotation processors
- -cp <path> Specify where to find user class files and annotation processors
- -sourcepath <path> Specify where to find input source files
- -bootclasspath <path> Override location of bootstrap class files
- -extdirs <dirs> Override location of installed extensions
- -endorseddirs <dirs> Override location of endorsed standards path
- -proc:{none,only} Control whether annotation processing and/or compilation is done.
- -processor <class1>[,<class2>,<class3>...] Names of the annotation processors to run; bypasses default discovery process
- -processorpath <path> Specify where to find annotation processors
- -parameters Generate metadata for reflection on method parameters
- -d <directory> Specify where to place generated class files
- -s <directory> Specify where to place generated source files
- -h <directory> Specify where to place generated native header files
- -implicit:{none,class} Specify whether or not to generate class files for implicitly referenced files
- -encoding <encoding> Specify character encoding used by source files
- -source <release> Provide source compatibility with specified release
- -target <release> Generate class files for specific VM version
- -profile <profile> Check that API used is available in the specified profile
- -version Version information
- -help Print a synopsis of standard options
- -Akey[=value] Options to pass to annotation processors
- -X Print a synopsis of nonstandard options
- -J<flag> Pass <flag> directly to the runtime system
- -Werror Terminate compilation if warnings occur
- @<filename> Read options and filenames from file
-
- $java -version
- java version "1.8.0_141"
- Java(TM) SE Runtime Environment (build 1.8.0_141-b15)
- Java HotSpot(TM) 64-Bit Server VM (build 25.141-b15, mixed mode)
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