Spring與集合

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("**********通過list集合取出數據*****");
        for(Employee e : department.getEmpList()){

            System.out.println("name="+e.getName()+" "+e.getId());
        }
        System.out.println("**********通過set集合取出數據*****");
        for(Employee e : department.getEmpsets()){

            System.out.println("name="+e.getName());
        }

        System.out.println("*******通過map集合取出數據 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("*******通過map集合取出數據 簡潔方法****");
        //2.簡潔方法
        for(Entry<String,Employee> entry1:department.getEmpMaps().entrySet()){

            System.out.println(entry1.getKey()+" "+entry1.getValue().getName());
        }

        System.out.println("*****通過Propertis取出數據*****");
        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("*****通過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));
        }
    }

}