Conversion from 12 hours time to 24 hours time in java

Question

In my app, I have a requirement to format 12 hours time to 24 hours time. What is the method I have to use?

For example, time like 10

Answer 1

   static String timeConversion(String s)
   {
    String s1[]=s.split(":");
    char c[]=s1[2].toCharArray();
    if(s1[2].contains("PM"))
    {
        int n=Integer.parseInt(s1[0]);
        n=n+12;
        return n+":"+s1[1]+":"+c[0]+c[1];
    }
    else``
    return s1[0]+":"+s1[1]+":"+c[0]+c[1];
     }