Add two String Times in java [duplicate]

Answer 1

String time1="0:01:30";
String time2="0:01:35";

SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss");
timeFormat.setTimeZone(TimeZone.getTimeZone("UTC"));

Date date1 = timeFormat.parse(time1);
Date date2 = timeFormat.parse(time2);

long sum = date1.getTime() + date2.getTime();

String date3 = timeFormat.format(new Date(sum));
System.out.println("The sum is "+date3);

Ouput : The sum is 00:03:05