编辑代码

class Main {
    private static Map<String, Object> getTreeByColl(List<MktExcgItemClsi> list){
        Map<String, Object> resmap=new HashMap<>();
        Map<Integer, MktExcgItemClsi> map;
        List<MktExcgItemClsi> treelist= new ArrayList<>();
        if (null==list||list.isEmpty()){
            return null;
        }
        map = list.stream().collect(Collectors.toMap(MktExcgItemClsi::getUuid, a -> a,(k1, k2)->k1));

        return resmap;
    }
	public static void main(String[] args) {
        //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。
        List<MktExcgItemClsi> MktExcgItemClsi = new ArrayList<>();//存放apple对象集合
        MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("01","一级目录");   
         MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("0101","一级目录一级目录"); 
          MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("010101","一级目录一级目录一级目录"); 
           MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("02","二级目录"); 
            MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("0201","二级目录一级目录");
             MktExcgItemClsi MktExcgItemClsi1= new MktExcgItemClsi("020102","二级目录一级目录二级目录");  
		
        System.out.println("Hello JSRUN!   \n\n         - from JAVA .");
	}
}

class MktExcgItemClsi{
    private String uuid = "";
    private String name = "";

    public MktExcgItemClsi(String uuid,String name){
        this.uuid = uuid;
        this.name = name;
    }
    public String getUuid(){
        return uuid;
    }
     public String getName(){
        return name;
    }
}