摘要：
package week;/** * 26为字母 * 十二位数字 * */public class AllCharacter { public static char[] charArray() { int i = 1234567890; String s = "qwertyuiopasdfghjk 阅读全文
摘要：
package week; import java.util.Random; public class TelePhoneNumber { public static void main(String[] args) { Random random = new Random(); int[] num 阅读全文