操作系统如何获取计算机使用java运行的操作系统？

Question

Possible Duplicate:
How do I programmatically determine operating system in Java?

在Java中，如何获取Java小程序运行的操作系统类型（Mac、Windows、Linux等）

提前感谢；D

Answer 1

系统属性^{}提供操作系统的名称

Answer 2

public class OpertingSystemInfo 
{
  public static void main(String[] args)
  {
    String nameOS = "os.name";  
    String versionOS = "os.version";  
    String architectureOS = "os.arch";

    System.out.println("\n  The information about OS");
    System.out.println("\nName of the OS: " + System.getProperty(nameOS));
    System.out.println("Version of the OS: " + System.getProperty(versionOS));
    System.out.println("Architecture of THe OS: " + System.getProperty(architectureOS));
  }
}

http://www.roseindia.net/java/beginners/OSInformation.shtml

Answer 3

System.out.println(System.getProperties().get("os.name"));