题解 | #集合遍历#

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 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 x : list){
        
        System.out.print(x+" ");
    }

    System.out.println();
    System.out.print("迭代器遍历:");

    //write your code here......
    Iterator it = list.iterator();
    while(it.hasNext()){
        System.out.print(it.next()+" ");
    }

    System.out.println();
}

}