23  * questions.
  24  */
  25 
  26 package java.util.logging;
  27 
  28 import java.lang.ref.Reference;
  29 import java.lang.ref.ReferenceQueue;
  30 import java.lang.ref.WeakReference;
  31 import java.security.AccessController;
  32 import java.security.PrivilegedAction;
  33 import java.util.ArrayList;
  34 import java.util.Collections;
  35 import java.util.HashMap;
  36 import java.util.List;
  37 import java.util.Locale;
  38 import java.util.Map;
  39 import java.util.Optional;
  40 import java.util.ResourceBundle;
  41 import java.util.function.Function;
  42 import jdk.internal.loader.ClassLoaderValue;
  43 import jdk.internal.misc.JavaUtilResourceBundleAccess;
  44 import jdk.internal.misc.SharedSecrets;
  45 
  46 /**
  47  * The Level class defines a set of standard logging levels that
  48  * can be used to control logging output.  The logging Level objects
  49  * are ordered and are specified by ordered integers.  Enabling logging
  50  * at a given level also enables logging at all higher levels.
  51  * <p>
  52  * Clients should normally use the predefined Level constants such
  53  * as Level.SEVERE.
  54  * <p>
  55  * The levels in descending order are:
  56  * <ul>
  57  * <li>SEVERE (highest value)
  58  * <li>WARNING
  59  * <li>INFO
  60  * <li>CONFIG
  61  * <li>FINE
  62  * <li>FINER
  63  * <li>FINEST  (lowest value)
  64  * </ul>

  23  * questions.
  24  */
  25 
  26 package java.util.logging;
  27 
  28 import java.lang.ref.Reference;
  29 import java.lang.ref.ReferenceQueue;
  30 import java.lang.ref.WeakReference;
  31 import java.security.AccessController;
  32 import java.security.PrivilegedAction;
  33 import java.util.ArrayList;
  34 import java.util.Collections;
  35 import java.util.HashMap;
  36 import java.util.List;
  37 import java.util.Locale;
  38 import java.util.Map;
  39 import java.util.Optional;
  40 import java.util.ResourceBundle;
  41 import java.util.function.Function;
  42 import jdk.internal.loader.ClassLoaderValue;
  43 import jdk.internal.access.JavaUtilResourceBundleAccess;
  44 import jdk.internal.access.SharedSecrets;
  45 
  46 /**
  47  * The Level class defines a set of standard logging levels that
  48  * can be used to control logging output.  The logging Level objects
  49  * are ordered and are specified by ordered integers.  Enabling logging
  50  * at a given level also enables logging at all higher levels.
  51  * <p>
  52  * Clients should normally use the predefined Level constants such
  53  * as Level.SEVERE.
  54  * <p>
  55  * The levels in descending order are:
  56  * <ul>
  57  * <li>SEVERE (highest value)
  58  * <li>WARNING
  59  * <li>INFO
  60  * <li>CONFIG
  61  * <li>FINE
  62  * <li>FINER
  63  * <li>FINEST  (lowest value)
  64  * </ul>