class Benchmark { public static void main(String[] arguments) { long startTime = System.currentTimeMillis(); long endTime = startTime + 60000; long index = 0; while (true) { double x = 17 * 76; long now = System.currentTimeMillis(); if (now > endTime) { break; } index++; } System.out.println(index + " loops in one minute."); } }