• 性s8s8yogacom_性s8s8yogacom官网唯一授权入口

  • 发布时间:2016-01-13 11:14 | 作者:yc | 来源:互联网 | 浏览:1200 次
  • 性s8s8yogacom_性s8s8yogacom官网唯一授权入口

    package com.jackey.topic;

    import java.util.ArrayList;

    import java.util.HashMap;

    import java.util.Iterator;

    import java.util.List;

    import java.util.Map;

    import java.util.Set;

    //轮回遍历map的法子

    public class CircleMap {

    性s8s8yogacom_性s8s8yogacom官网唯一授权入口public static void main(String[] args) {

    Map tempMap = new HashMap();

    tempMap.put("a", 1);

    tempMap.put("b", 2);

    tempMap.put("c", 3);

    // JDK1.4中

    // 遍历法子一 hashmap entrySet() 遍历

    System.out.println("法子一");

    Iterator it = tempMap.entrySet().iterator();

    while (it.hasNext()) {

    Map.Entry entry = (Map.Entry) it.next();

    Object key = entry.getKey();

    Object value = entry.getValue();

    System.out.println("key=" + key + " value=" + value);

    }

    System.out.println("");

    // JDK1.5中,应用新特点For-Each轮回

    性s8s8yogacom_性s8s8yogacom官网唯一授权入口

    // 遍历法子二

    System.out.println("法子二");

    for (Map.Entry entry :雪缘网比分直播 tempMap.entrySet()) {

    String key = entry.getKey().toString();

    String value = entry.getValue().toString();

    System.out.println("key=" + key + " value=" + value);

    }

    System.out.println("");

    // 遍历法子三 hashmap keySet() 遍历

    System.out.println("法子三");

    for (Iterator i = tempMap.keySet().iterator(); i.hasNext();) {

    Object obj = i.next();

    System.out.println(obj);// 轮回输出key

    System.out.println("key=" + obj + " value=" + tempMap.get(obj));

    }

    for (Iterator i = tempMap.values().iterator(); i.hasNext();) {

    Object obj = i.next();

    System.out.println(obj);// 轮回输出value

    }

    System.out.println("");

    // 遍历法子四 treemap keySet()遍历

    System.out.println("法子四");

    for (Object o : tempMap.keySet()) {

    System.out.println("key=" + o + " value=" + tempMap.get(o));

    }

    System.out.println("11111");

    // javawww.01.pt777.com怎么遍历Mapmap = new HashMap ();

    System.out

    .println("java遍历Mapmap = new HashMap

    ();");

    Map map = new HashMap();

    Set keys = map.keySet();

    Iterator iterator = keys.iterator();

    while (iterator.hasNext()) {

    String key = iterator.next();

    ArrayList arrayList = map.get(key);

    for (Object o : arrayList) {

    System.out.println(o + "遍历进程");

    }

    }

    System.out.println("2222");

    Map mapList = new HashMap();

    for (Map.Entry entry : mapList.entrySet()) {

    String key = entry.getKey().toString();

    List values = (List) entry.getValue();

    for (String value : values) {

    System.out.println(key + " --> " + value);

    }

    }

    }

    }

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