Bootstrap

Java实现 统计单词出现的次数并按照单词频率从高到低输出

import java.util.*;
import java.util.Map.Entry;


public class CountWord {
public static void sort(Map<String,Integer> map)
{
List<Entry<String, Integer>> list=new ArrayList<Entry<String,Integer>>();
for (Entry<String, Integer> entry : map.entrySet()) {
list.add(entry);
}
Collections.sort(list,new EntryComparator());
for (Entry<String, Integer> obj : list) {
System.out.println(obj.getKey() + "\t" + obj.getValue());
}
;