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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java new file mode 100644 index 0000000..3bfe00f --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1606.java @@ -0,0 +1,31 @@ +/* Listing1606.java */
+
+public class Listing1606
+{
+ public static long testSleep(int millis)
+ {
+ final int MINDURATION = 3000;
+ int cnt = (millis >= MINDURATION ? 1 : MINDURATION/millis);
+ long start = System.currentTimeMillis();
+ for (int i = 0; i < cnt; ++i) {
+ try {
+ Thread.sleep(millis);
+ } catch (InterruptedException e) {
+ }
+ }
+ long end = System.currentTimeMillis();
+ return (end - start) / cnt;
+ }
+
+ public static void main(String[] args)
+ {
+ final int DATA[] = {345, 27, 1, 1962, 2, 8111, 6, 89, 864};
+ for (int i = 0; i < DATA.length; ++i) {
+ System.out.println("Aufruf von sleep(" + DATA[i] + ")");
+ long result = testSleep(DATA[i]);
+ System.out.print(" Ergebnis: " + result);
+ double prec = ((double)result / DATA[i] - 1.0) * 100;
+ System.out.println(" (" + (prec > 0 ? "+": "") + prec + " %)");
+ }
+ }
+}
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