Java增强for循环

package myCollection;


import java.util.ArrayList;
import java.util.List;

public class ForDemo {
    public static void main(String[] args) {
        int[] arr={1,2,3,4,5};
        for(int i:arr){
            System.out.println(i);
        }
        System.out.println("--------");
        String[] StrArray={"hello","world","java"};
        for(String s:StrArray){
            System.out.println(s);
        }
        System.out.println("--------");
        List list=new ArrayList<>();
        list.add("hello");
        list.add("world");
        list.add("java");
        for (String s:list){
            System.out.println(s);
        }
    }
}