[Java知识库]kotlin 第9个程序（List和Map）

package com.jpxsr

import java.util.*

/**
 * @author: 等风来
 * @date: 2021/9/11 23:40
 * @description:
 */
fun main(args: Array<String>) {
    var lists = listOf<String>("大米", "面粉", "小米")
    for (list in lists){
        println(list)
    }

    for ((i, e) in lists.withIndex()){
        println("$i $e")
    }

    var map = TreeMap<String, String>()
    map["好"] = "good"
    map["学习"] = "study"
    println(map["好"] + "," + map["好"] + "," + map["学习"])
}