package com.tj; import java.util.Enumeration; import java.util.Properties; public class MyClass implements Cloneable { public static void main(String[] args) { //获得所有的系统属性 Properties props = System.getProperties(); //所有的枚举类型系统属性 Enumeration e = props.propertyNames(); for (; e.hasMoreElements();) { //获取属性名称 String propName = (String) e.nextElement(); //获取属性值 String propValue = props.getProperty(propName); System.out.println("name=" + propName + " " + propValue); } } }