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https://blog.csdn.net/wugouzi/article/details/25167187 阅读全文
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public static void a(int l){ for (int m = 0; m < l; m++) { //随机生成1-16 Random r=new Random(); int a=r.nextInt(16)+1; System.out.print("篮球"+a+"红球"); int 阅读全文
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list.remove(t-1); 阅读全文
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第一种方法 Random r=new Random(); int a=r.nextInt(16)+1; 解析 r.nextInt(16)会生成0-15 第二种方法 int num = (int) (Math.random() * 16 + 1); 解析 Math.random()会随机生成[0,1) 阅读全文
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Calendar calendar= Calendar.getInstance(); calendar.add(Calendar.MINUTE, -1); Date d=calendar.getTime(); //同一个手机号必须一分钟后才能发送验证码 if(p.getUtime().compare 阅读全文
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https://www.meipian.cn/da1vnqz 阅读全文
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https://blog.csdn.net/xiyeming/article/details/78468382 阅读全文
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http://blog.sina.com.cn/u/5308127060 https://www.jianshu.com/p/41af4a087cb1 阅读全文
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https://blog.csdn.net/shiyong1949/article/details/72845634 阅读全文
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https://blog.csdn.net/qq_31454017/article/details/71108278 阅读全文