获取随机电话号

获得随机电话号

private static String[] telFirst = "134,135,136,137,138,139,150,151,152,157,158,159,130,131,132,155,156,133,153".split(",");


private static String getTel() {
        int index = getNum(0, telFirst.length - 1);
        String first = telFirst[index];
        String second = String.valueOf(getNum(1, 888) + 10000).substring(1);
        String third = String.valueOf(getNum(1, 9100) + 10000).substring(1);
        return first + second + third;
    }

 private static int getNum(int start,int end){
        return (int)(Math.random()*(end-start+1)+start);
    }