Random类,生成随机数
public static void main(String[] args) { Random random = new Random(); int randomNumber = random.nextInt(900000) + 100000; System.out.println("随机6位数:" + randomNumber); }
转换成String类型
public static void main(String[] args) { Random random = new Random(); int randomNumber = random.nextInt(900000) + 100000; String name = String.valueOf(randomNumber ); System.out.println("随机6位数:" + name ); }
或者
public static void main(String[] args) { Random random = new Random(); int randomNumber = random.nextInt(900000) + 100000; String nameinter = Integer.toString(randomNumber); System.out.println("随机6位数:" + nameinter ); }