systemproperties.java

java的命令行执行参数演示

import java.util.*;

public class SystemProperties
{
	public static void main(String arvg[])
	{
		Properties p = System.getProperties();
		Enumeration enume= p.propertyNames();

		String propertyName="";
		String property="";

		while (enume.hasMoreElements())
		{
			propertyName = (String) enume.nextElement();
			property = p.getProperty(propertyName);
			System.out.println("Property '"+propertyName+
					   "' = '"+property+"'");
		}
	}
}