无法捕获Java中的特定时隙

时间:2018-12-14 05:35:05

标签: java datetime-comparison

我正在某个项目中工作,该项目要求测试特定时间是否在08 PM到12 AM时隙之间。我将日期转换为long并检查了差异。对于所有其他时隙,我都得到了正向输出。但是,当我测试08 PM至12 AM时,没有输出。下面是我的代码:

package com.google.pulldata.utils;
import java.text.SimpleDateFormat;
public class Test2 {

    public static void main(String[] args) throws Exception{

        try {
            process1();
            process2();
        }catch(Exception ex) {
            ex.printStackTrace();
        }

    }

    private static void process1() throws Exception {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_hh_a");


        String dateRange1="2018_11_18_04_PM";
        String dateRange2="2018_11_18_08_PM";


        long dtRange1=sdf.parse(dateRange1).getTime();
        long dtRange2=sdf.parse(dateRange2).getTime();

        String dateTest = "2018_11_18_06_PM";
        long dtTest=sdf.parse(dateTest).getTime();


        if(dtTest>=dtRange1 && dtTest<=dtRange2) {
            System.out.println("yes time is between 04 PM to 08 PM slot");
        }
    }



    private static void process2() throws Exception {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_hh_a");


        String dateRange1="2018_11_18_08_PM";
        String dateRange2="2018_11_18_12_AM";


        long dtRange1=sdf.parse(dateRange1).getTime();
        long dtRange2=sdf.parse(dateRange2).getTime();

        String dateTest = "2018_11_18_10_PM";
        long dtTest=sdf.parse(dateTest).getTime();


        if(dtTest>=dtRange1 && dtTest<=dtRange2) {
            System.out.println("yes time is between 08 PM to 12 AM slot");
        }
    }
}

输出:

yes time is between 04 PM to 08 PM slot

如您所见,我正在获取process1()方法的输出,而不是'proccess2()`的输出。谁能帮助我,为什么会这样?

1 个答案:

答案 0 :(得分:1)

因为2018_11_18_10_PM在2018_11_18_12_AM之后出现。