29 lines
898 B
Java
29 lines
898 B
Java
package com.inmind.map01;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/*
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6.LinkedHashMap的特点
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hash:哈希表，它的作用去重，通过hashCode和equals
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link：链表，保证有序
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LinkedHashMap：存取有序，没有索引，不能重复的，一个双列集合
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*/
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public class LinkedHashMapDemo05 {
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public static void main(String[] args) {
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Map<String,String> maps = new HashMap<>();
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maps.put("刘备","孙尚香");
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maps.put("吕布","貂蝉");
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maps.put("张飞","夏侯驰");
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System.out.println(maps);
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System.out.println("-------------");
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LinkedHashMap<String,String> linkedMaps = new LinkedHashMap<>();
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linkedMaps.put("吕布","貂蝉");
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linkedMaps.put("张飞","夏侯驰");
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linkedMaps.put("刘备","孙尚香");
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System.out.println(linkedMaps);
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}
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}
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