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java202302java学习笔记第十四天-遍历字符串和统计字符个数2

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java202302java学习笔记第十四天-遍历字符串和统计字符个数1

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1. 案例：用户登录需求：已知用户名和密码，请用程序实现模拟用户登录，总共有三次机会，登录之后，给出相应的提示分析：（1）已知用户名和密码，定义两个字符串表示即可（2）键盘录入要登陆的用户名和密码，用Scanner实...

java循环练习：输入一个字符串，统计该字符串中分别包含多少个数字，多少个字母，多少个其他字符

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 package practiceGO; import java.util.Scan...

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更新时间 2024-04-03 10:56:03

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