Listar usuarios do windows

public static void main(String[] args)
	{
		try
		{
			final Process process = Runtime.getRuntime().exec("cmd.exe /C net user");
			final OutputStream out = System.out;
			
			new Thread
        		(
        			new Runnable()
        			{
        				public
        				void			run()
        				{
        					try
        					{
        						int b;  
        						do 
        						{  
        							b = process.getInputStream().read();  
        					                
        							if (b != -1) 
        							{  
        								if (out != null) 
        								{  
        									out.write(b);
        									out.flush(); 
        								}  
        					                }  
        						} 
        						while (b != -1);
        					}
        					catch (Exception e) 
        					{
        						e.printStackTrace();
						}
        				}
        			}
        		).start();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
	}