set customClass=(修正したクラスへのパス)
java -Xbootclasspath/p:%customClass%

  Error ID = 4F530E43505002E6
  ↓
  ファイル名部分=4F530E435050 ＋ 行番号部分=02E6

  a) ファイル名部分の各値(2桁)に、0x20を加算する。
      4F 53 0E 43 50 50
    →6F 73 2E 63 70 70

  b) アスキーキャラクタ変換する。
      6F 73 2E 63 70 70
    → o  s  .  c  p  p

  c) 末尾4桁を 10進変換する。
      02E6
    →742

java -XX:+PrintClassHistogram -XX:+UseParallelOldGC Hello


Full thread dump Java HotSpot(TM) Client VM (1.5.0_06-b05 mixed mode):

"Low Memory Detector" daemon prio=1 tid=0x08336730 nid=0x3c8a runnable [0x00000000..0x00000000]

"CompilerThread0" daemon prio=1 tid=0x08335188 nid=0x3c89 waiting on condition [0x00000000..0x00000000]

"Signal Dispatcher" daemon prio=1 tid=0x08334260 nid=0x3c88 runnable [0x00000000..0x00000000]

(中略) 

"VM Thread" prio=1 tid=0x08325fa8 nid=0x3c85 runnable

"GC task thread#0 (ParallelGC)" prio=1 tid=0x082b45c0 nid=0x3c84 runnable

"VM Periodic Task Thread" prio=1 tid=0x08337c18 nid=0x3c8b waiting on condition

java -XX:+PrintClassHistogram -XX:+UseConcMarkSweepGC Hello


Full thread dump Java HotSpot(TM) Client VM (1.5.0_06-b05 mixed mode, sharing):

"Low Memory Detector" daemon prio=1 tid=0x090010a8 nid=0x3dea runnable [0x00000000..0x00000000]

"CompilerThread0" daemon prio=1 tid=0x08fffb00 nid=0x3de9 waiting on condition [0x00000000..0xb227e9c8]

"Signal Dispatcher" daemon prio=1 tid=0x08ffeba0 nid=0x3de8 runnable [0x00000000..0x00000000]

(中略) 

"VM Thread" prio=1 tid=0x08ff48e8 nid=0x3de5 runnable

"VM Periodic Task Thread" prio=1 tid=0x0901be80 nid=0x3deb waiting on condition


num   #instances    #bytes  class name
--------------------------------------
  1:       163       42752  [C
  2:        13       33992  [B
  3:        29        8816  <objArrayKlassKlass>
  4:       203        7600  [Ljava.lang.Object;
  5:       156        3744  java.lang.String
  6:        41        3608  java.lang.Class

(中略)

149:         1           8  sun.net.www.protocol.file.Handler
150:         1           8  sun.reflect.ReflectionFactory
151:         1           8  java.lang.ref.Reference$Lock
152:         1           8  java.lang.Terminator$1
153:         1           8  java.util.Hashtable$EmptyEnumerator
Total    19223     1534624

% jstack -F 9813
  Attaching to process ID 9813, please wait...
  Debugger attached successfully.
  Server compiler detected.
  JVM version is 11.2-b01
  Deadlock Detection:

  No deadlocks found.

  Thread 8739: (state = BLOCKED)

  Thread 8549: (state = BLOCKED)
  (後略)

List list = search.createListData();
Set set = search.createSetData();

long start = System.currentTimeMillis();
search(list);
long end = System.currentTimeMillis();
System.out.println("List Search："+ (end-start) + "(ミリ秒)");

start = System.currentTimeMillis();
search(set);
end = System.currentTimeMillis();
System.out.println("Set Search ："+ (end-start) + "(ミリ秒)");

/** Listデータの作成 */
public List createListData(){
  List list = new ArrayList();
  for (int num = 0; num < DATA_MAX; num++){
    list.add(String.valueOf(num));
  }
  return list;
}

/** Setデータの作成 */
public Set createSetData(){
  Set set = new HashSet();
  for (int num = 0; num < DATA_MAX; num++){
    set.add(String.valueOf(num));
  }
  return set;
}

/** containsによる重複チェック */
public void search(Collection col){
  Random random = new Random();
  for (int num = 0; num < REPEAT_TIME; num++){
    int searchData = random.nextInt(DATA_MAX);
    col.contains(String.valueOf(searchData));
 }
}