MapList 自己封装的

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.sprucetec.tms.utils.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

public class MapList<K, V> {
private Map<K, List<V>> map = new HashMap();

public MapList() {
}

public boolean containsKey(K key) {
return this.map.containsKey(key);
}

public List<V> get(K key) {
return (List)this.map.get(key);
}

public List<V> remove(K key) {
return (List)this.map.remove(key);
}

public Set<K> keySet() {
return this.map.keySet();
}

public Set<Entry<K, List<V>>> entrySet() {
return this.map.entrySet();
}

public void put(K key, V value) {
Object l = (List)this.map.get(key);
if(l == null) {
l = new ArrayList();
this.map.put(key, l);
}

((List)l).add(value);
}

public void putAll(K key, List<V> valueList) {
Object l = (List)this.map.get(key);
if(l == null) {
l = new ArrayList();
this.map.put(key, l);
}

((List)l).addAll(valueList);
}

public int size() {
return this.map.size();
}

public Map<K, List<V>> toMap() {
return this.map;
}
}
原文地址:https://www.cnblogs.com/duyinqiang/p/5691710.html