每天学一点.........
//动态数组实验
import java.util.*;
public class Arraylist{
public static void main(String[] args){
int b;
ArrayList list = new ArrayList();
System.out.print("请输入三个数字:");
Scanner a = new Scanner(System.in);
for(int i=0;i<3;i++){
list.add(a.nextInt());
}
System.out.print("该数组中的元素:");
for(int i=0;i<list.size();i++){
System.out.print(list.get(i)+ " ");
}
}
}