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1. 要排序的元素类：

 public static class NameCount implements Comparable<NameCount> {Collator collator = Collator.getInstance(java.util.Locale.CHINA);@ApiModelProperty(value = "名")private String name;@ApiModelProperty(value = "次数")private Integer count;public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getCount() {return count;}public void setCount(Integer count) {this.count = count;}@Overridepublic int compareTo(NameCount o) {return collator.compare(this.name, o.getName());}}

2. 集合：

List<NameCount> NameCountList = Lists.newArrayList();

该集合中有多个元素后，按name排序的实现：

 Collections.sort(NameCountList);