Spring与集合

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package com.hsp.collection;import java.util.Enumeration;import java.util.Iterator;import java.util.Map;import java.util.Properties;import java.util.Map.Entry;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;public class App1 {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        ApplicationContext ac=new ClassPathXmlApplicationContext("com/hsp/collection/beans.xml");        Department department=(Department) ac.getBean("department");        System.out.println(department.getName());        for(String emName:department.getEmpName()){            System.out.println(emName);        }        System.out.println("**********通过list集合取出数据*****");        for(Employee e : department.getEmpList()){            System.out.println("name="+e.getName()+" "+e.getId());        }        System.out.println("**********通过set集合取出数据*****");        for(Employee e : department.getEmpsets()){            System.out.println("name="+e.getName());        }        System.out.println("*******通过map集合取出数据 迭代器****");        //1.迭代器        Map<String,Employee> empmaps=department.getEmpMaps();        Iterator it=empmaps.keySet().iterator();        while(it.hasNext()){            String key=(String) it.next();            Employee emp=empmaps.get(key);            System.out.println("key="+key+" "+emp.getName());        }        System.out.println("*******通过map集合取出数据 简洁方法****");        //2.简洁方法        for(Entry<String,Employee> entry1:department.getEmpMaps().entrySet()){            System.out.println(entry1.getKey()+" "+entry1.getValue().getName());        }        System.out.println("*****通过Propertis取出数据*****");        Properties pp=department.getPp();        //System.out.println(pp.get("pp1").toString());        for(Entry<Object,Object> entry:pp.entrySet()){            System.out.println(entry.getKey().toString()+" "+entry.getValue().toString());        }        System.out.println("*****通过Enumeration取出*****");        Enumeration en= pp.keys();        while(en.hasMoreElements()){        //  Entry<Object,Object> elment= (Entry<Object, Object>) en.nextElement();        //  System.out.println(elment.getKey()+" "+elment.getValue());            String key=(String) en.nextElement();            System.out.println(key+" "+pp.getProperty(key));        }    }}
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