题解 | #集合遍历#
集合遍历
http://www.nowcoder.com/practice/e34b7132f9c24297ac9bcb0b7f2ea472
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 (Integer integer : list) {
System.out.print(integer+" ");
}
System.out.println();
System.out.print("迭代器遍历:");
//write your code here......
Iterator iterator = list.iterator();
while(iterator.hasNext()){
System.out.print(iterator.next()+" ");
}
System.out.println();
}
}