Java中Properties类

1. Java中Properties类

通过key获取value，配置文件常用xxx.properties(属性文件)

import java.util.Iterator;
import java.util.Properties;
import java.util.Set;
public class PropertiesTest{
    public static void main(String[] args){
        Properties p = System.getProperties();
        Set set = p.keySet();
        for(Iterator iter = set.iterator(); iter.hasNext();){
            String key = (String)iter.next();
            String value = p.getProperty(key);
            System.out.println(key + "=" + value);
        }
    }
}
运行结果：
……
sun.desktop=windows
sun.cpu.isalist=pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86