2023.7.11

//2023.7.11 周二
//for循环
public class test
{
    public static void main(String[] args)
    {
        //打印九九乘法表
        for(int i = 1;i<=9;i++)
        {
            for(int j = 1;j<=i;j++)
            {
                System.out.print(j+"*"+i+" = "+(j*i)+"    ");
            }
            System.out.println();
        }
    }
}
//增强for循环
public class test
{
    public static void main(String[] args)
    {
        int[] numbers = {10,20,30,40,50};
        for(int x:numbers)
        {
            System.out.println(x);
        }

    }
}