1 | // Throw Across Other Handler
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2 |
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3 | class EmptyException extends Exception {}
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4 |
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5 | class NotRaisedException extends Exception {}
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6 |
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7 | public class ThrowOther {
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8 | static boolean should_throw = false;
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9 |
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10 | private static void unwind_other(int frames)
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11 | throws EmptyException, NotRaisedException {
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12 | if (0 < frames) {
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13 | try {
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14 | unwind_other(frames - 1);
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15 | } catch (NotRaisedException e) {
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16 | // ...
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17 | }
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18 | } else if (should_throw) {
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19 | throw new NotRaisedException();
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20 | } else {
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21 | throw new EmptyException();
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22 | }
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23 | }
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24 |
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25 | private static long loop(int times, int total_frames) {
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26 | long startTime = System.nanoTime();
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27 | for (int count = 0 ; count < times ; ++count) {
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28 | try {
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29 | unwind_other(total_frames);
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30 | } catch (EmptyException e) {
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31 | // ...
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32 | } catch (NotRaisedException e) {
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33 | // ...
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34 | }
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35 | }
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36 | long endTime = System.nanoTime();
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37 | return endTime - startTime;
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38 | }
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39 |
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40 | public static void main(String[] args) {
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41 | int times = 1;
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42 | int total_frames = 1;
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43 | if (0 < args.length) {
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44 | times = Integer.parseInt(args[0]);
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45 | }
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46 | if (1 < args.length) {
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47 | total_frames = Integer.parseInt(args[1]);
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48 | }
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49 |
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50 | // Warm-Up:
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51 | loop(1000, total_frames);
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52 |
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53 | long time = loop(times, total_frames);
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54 | System.out.format("Run-Time (s): %.1f%n", time / 1_000_000_000.);
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55 | }
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56 | }
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