Friday, December 16, 2016

Time Conversion

Given a time in -hour AM/PM format, convert it to military (-hour) time.
Note: Midnight is on a -hour clock, and on a -hour clock. Noon is on a -hour clock, and on a -hour clock.
Input Format
A single string containing a time in -hour clock format (i.e.: or ), where and .
Output Format
Convert and print the given time in -hour format, where .


Solution :


import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String time = in.next();
        try{           
                SimpleDateFormat date12Format = new SimpleDateFormat("hh:mm:ssa");
                SimpleDateFormat date24Format = new SimpleDateFormat("HH:mm:ss");

                System.out.println(date24Format.format(date12Format.parse(time)));
        } catch (ParseException e) {
            e.printStackTrace();
        }
    }
}
 

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