soft.push("zzq")

//1类似于lambda表达式的函数直接量====================== var get = (name: String) => { println(123 + name) } get("456") //2高阶函数：func为传入的参数（String为func的参数类型，Unit为func的返回类型）====================== def get1(func:... Read More

import scala.collection.mutable.ArrayBuffer var ary=Array(1,2,3) println(ary.mkString) println(ary(1))//取出第一个元素 println(ary.toBuffer)//转化成ArrayBuffer var aryb=ArrayBuffer(1,2,3) println(aryb.toS... Read More

import scala.collection.immutable.HashMap //immutable不可变map import scala.collection.mutable.Map //immutable可变map //1 var m1 = Map("a" -> 1, "b" -> 2) m1 += ("c" -> 3, "d" -> 4) println(m1.get("d"))... Read More