蓝桥杯算法训练-删除数组零元素-题解（Java代码）

import java.util.Scanner;
import java.util.ArrayList;
import java.awt.List;
public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        ArrayList<Integer> list=new ArrayList<Integer>();
        int Rows=scanner.nextInt();
        for (int i = 0; i <Rows; i++) 
        {
            list.add(scanner.nextInt());
        }
        for (int i = 0; i <Rows; i++) 
        {
            if (list.get(i)==0)
            {
            list.remove(i);    
            Rows--;//删除后数组长度
            i--;//删除后自动填充重新判断该位置
            }
        }
        System.out.println(Rows);
        for (int i = 0; i < Rows; i++)
        {
        System.out.print(list.get(i)+" ");//输出
        }
    }
}