import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); List<Integer> list = new ArrayList<>(); int num1 = scanner.nextInt(); int num2 = scanner.nextInt(); int num3 = scanner.nextInt(); int num4 = scanner.nextInt(); int num5 = scanner.nextInt(); scanner.close(); list.add(num1); list.add(num2); list.add(num3); list.add(num4); list.add(num5); System.out.print("普通for循环:"); //write your code here...... for(int i=0;i<list.size();i++) { System.out.print(list.get(i)+" "); } System.out.println(); System.out.print("增强for循环:"); //write your code here...... for(int i:list) { System.out.print(i+" "); } System.out.println(); System.out.print("迭代器遍历:"); //write your code here...... Iterator li=list.iterator(); while(li.hasNext()) { System.out.print(li.next()+" "); } System.out.println(); } }