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/*
* @ test
* @ bug 7187618 7184799
* @ summary Tests just a benchmark of Introspector . getBeanInfo ( Class ) performance
* @ author Sergey Malenkov
* @ run main / manual Test7184799
*/
import java.beans.Introspector;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
public class Test7184799 {
private static final Class [] TYPES = {
Class .class ,
String.class ,
Character.class ,
Boolean .class ,
Byte .class ,
Short .class ,
Integer.class ,
Long .class ,
Float .class ,
Double .class ,
Collection.class ,
Set.class ,
HashSet.class ,
TreeSet.class ,
LinkedHashSet.class ,
Map.class ,
HashMap.class ,
TreeMap.class ,
LinkedHashMap.class ,
WeakHashMap.class ,
ConcurrentHashMap.class ,
Dictionary.class ,
Exception.class ,
};
public static void main(String[] args) throws Exception {
long time = System.nanoTime();
for (Class type : TYPES) {
Introspector.getBeanInfo(type);
}
time -= System.nanoTime();
System.out.println("Time (ms): " + (-time / 1000000 ));
}
}
Messung V0.5 in Prozent C=94 H=86 G=89
¤ Dauer der Verarbeitung: 0.3 Sekunden
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