How to get relevant parameters in java

This article uses a piece of code to show the method of obtaining relevant parameters in Java and share it with everyone:

public static void main(String[] args) { 
Properties props=System.getProperties(); //系统属性 
 System.out.println("Java的运行环境版本："+props.getProperty("java.version")); 
 System.out.println("Java的运行环境供应商："+props.getProperty("java.vendor")); 
 System.out.println("Java供应商的URL："+props.getProperty("java.vendor.url")); 
 System.out.println("Java的安装路径："+props.getProperty("java.home")); 
 System.out.println("Java的虚拟机规范版本："+props.getProperty("java.vm.specification.version")); 
 System.out.println("Java的虚拟机规范供应商："+props.getProperty("java.vm.specification.vendor")); 
 System.out.println("Java的虚拟机规范名称："+props.getProperty("java.vm.specification.name")); 
 System.out.println("Java的虚拟机实现版本："+props.getProperty("java.vm.version")); 
 System.out.println("Java的虚拟机实现供应商："+props.getProperty("java.vm.vendor")); 
 System.out.println("Java的虚拟机实现名称："+props.getProperty("java.vm.name")); 
 System.out.println("Java运行时环境规范版本："+props.getProperty("java.specification.version")); 
 System.out.println("Java运行时环境规范供应商："+props.getProperty("java.specification.vender")); 
 System.out.println("Java运行时环境规范名称："+props.getProperty("java.specification.name")); 
 System.out.println("Java的类格式版本号："+props.getProperty("java.class.version")); 
 System.out.println("Java的类路径："+props.getProperty("java.class.path")); 
 System.out.println("加载库时搜索的路径列表："+props.getProperty("java.library.path")); 
 System.out.println("默认的临时文件路径："+props.getProperty("java.io.tmpdir")); 
 System.out.println("一个或多个扩展目录的路径："+props.getProperty("java.ext.dirs")); 
 System.out.println("操作系统的名称："+props.getProperty("os.name")); 
 System.out.println("操作系统的构架："+props.getProperty("os.arch")); 
 System.out.println("操作系统的版本："+props.getProperty("os.version")); 
 System.out.println("文件分隔符："+props.getProperty("file.separator")); //在 unix 系统中是”／” 
 System.out.println("路径分隔符："+props.getProperty("path.separator")); //在 unix 系统中是”:” 
 System.out.println("行分隔符："+props.getProperty("line.separator")); //在 unix 系统中是”/n” 
 System.out.println("用户的账户名称："+props.getProperty("user.name")); 
 System.out.println("用户的主目录："+props.getProperty("user.home")); 
 System.out.println("用户的当前工作目录："+props.getProperty("user.dir")); 
}

I hope you will like it.

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