小编Kor*_*aff的帖子

我一直在互联网上搜索，似乎找不到这个答案 那么有谁知道如何阻止用户输入只允许数字的字母？

这是我的代码到目前为止的样子。

public static double payCalculator(double hours, double basePay)
{
    double totalPay; 
    double overTime = 8.00 * 1.5;
    while(hours < 0 | hours > 60) {
        System.out.println("Cannot work more than 60 hours a week");
        System.out.println("Hours Work?");
        hours = in.nextDouble();
    }
    while(basePay < 8) {
        System.out.println("Base Pay cannot be less than 8");
        System.out.println("Base Pay?");
        basePay = in.nextDouble();
    }
    if 
        (hours <= 40){
        totalPay = hours*basePay;
    }
    else {
        totalPay = ((hours - 40)*overTime) + (40*basePay);
    }
    return totalPay;

}
public …