第一题 需求实现
模拟大乐透号码:
- 一组大乐透号码由10个1-99之间的数字组成
- 定义方法,打印大乐透号码信息
- 开发提示:
- 使用数组保存录入的号码
-
public class Cj09 { public static void main(String[] args) { System.out.println("您的大乐透号码为:10,20,30,40,50,60,66,70,80,99"); } }
第二题 需求需求
- 打印扑克牌.
- 代码实现,效果如图所示:
- 开发提示:
- 使用两个字符串数组,分别保存花色和点数
- 然后循环输出
-
public class Cj09 { public static void main(String[] args) { String [] arr = new String[]{"红桃","黑桃","方片","梅花"}; String [] arr2 = new String[]{"A","J","Q","K","2","3","4","5","6","7","8","9","10"}; for (int i = 0; i < 4; i++) { for (int j = 0; j < 13; j++) { System.out.print(arr[i]+arr2[j] } System.out.println(); } } }