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需求:获取lols中的player某个元素

import com.alibaba.fastjson.JSONObject;

import lombok.*;

import org.springframework.util.CollectionUtils;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.stream.Collectors;

public class Demo {

@Builder

@Data

@AllArgsConstructor

@NoArgsConstructor

@ToString

static class LOL{

//赛区

private String area;

//战队名称

private String teamName;

//战队选手

List player;

}

private static List lols= new ArrayList<>();;

static {

lols.add( new LOL( “LPL”, “IG”, Arrays.asList( “TheShy”,”JK”,”Rk”,”BaoLan”,”Ning”) ));

lols.add( new LOL( “LPL”, “FPX”, Arrays.asList( &#