#鸿蒙学习大百科#如何对ArrayList进行遍历？

import { ArrayList } from '@kit.ArkTS'
@Entry
@Component
struct Index {
  build() {
    Column() {
      Button("遍历ArrayList").onClick(() => {
        let arr = new ArrayList<string>()
        //add添加元素
        arr.add("1")
        arr.add("3")
        arr.add("2")
        //遍历ArrayList
        arr.forEach((e:string,index:number)=> {
          console.log("第"+index+"元素："+e)
        });

      })
    }
    .width('100%')
    .height('100%')
    .justifyContent(FlexAlign.Center)
  }
}