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import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

public class Test {

public static void main(String[] args) {

String a = "2014-8-1 16:09";

String b = "2014-8-2 18:11";

SimpleDateFormat sp = new SimpleDateFormat("yyyy-M-d HH:mm");

try {

Date startDate = sp.parse(a);

Date endDate = sp.parse(b);

Calendar startCalenaer = Calendar.getInstance();

startCalenaer.setTime(startDate);

Calendar endCalenaer = Calendar.getInstance();

endCalenaer.setTime(endDate);

for (int i = 0; startCalenaer.before(endCalenaer); startCalenaer.add(Calendar.HOUR_OF_DAY, +1), i++) {

printTime(startCalenaer);

if (i == 0) {

System.out.print(startCalenaer.get(Calendar.MINUTE) + " ");

} else {

System.out.print("00 ");

}

printTime(startCalenaer);

if (startCalenaer.get(Calendar.YEAR) == endCalenaer.get(Calendar.YEAR)

&& startCalenaer.get(Calendar.MONTH) == endCalenaer.get(Calendar.MONTH)

&& startCalenaer.get(Calendar.DAY_OF_MONTH) == endCalenaer.get(Calendar.DAY_OF_MONTH)

&& startCalenaer.get(Calendar.HOUR_OF_DAY) == endCalenaer.get(Calendar.HOUR_OF_DAY)) {

System.out.println(endCalenaer.get(Calendar.MINUTE));

} else {

System.out.println(59);

}

}

} catch (ParseException e) {

e.printStackTrace();

}

}

static private void printTime(Calendar c) {

System.out.print(c.get(Calendar.YEAR));

System.out.print("-");

System.out.print(c.get(Calendar.MONTH) + 1);

System.out.print("-");

System.out.print(c.get(Calendar.DAY_OF_MONTH));

System.out.print(" ");

System.out.print(c.get(Calendar.HOUR_OF_DAY));

System.out.print(":");

}

}