systempropertiestest.java

编程之道--java程序设计入门源代码

/**
 * 通过本测试得到当前系统的系统属性设置
 */
 
import java.util.Properties;
import java.util.Enumeration;

public class SystemPropertiesTest
{
	public static void main(String[] args)
	{
		Properties systemProperties = System.getProperties();
		Enumeration enum = systemProperties.propertyNames();
		
		while(enum.hasMoreElements())
		{
			String key = (String)enum.nextElement();
			String pro = systemProperties.getProperty(key);
			System.out.println(key + "=" + pro);
		}
	}
}