A B C D E F G H I L M N O P R S T W

A

ACCEPT - Static variable in class org.apache.log4j.spi.Filter

The log event must be logged immediately without consulting with the remaining filters, if any, in the chain.

activateOptions() - Method in class org.apache.log4j.spi.Filter

Usually filters options become active when set.

addAppender(Appender) - Method in class org.apache.log4j.Category

No-op implementation.

addAppenderEvent(Category, Appender) - Method in interface org.apache.log4j.spi.HierarchyEventListener

addFilter(Filter) - Method in interface org.apache.log4j.Appender

Add a filter to the end of the filter list.

addHierarchyEventListener(HierarchyEventListener) - Method in interface org.apache.log4j.spi.LoggerRepository

Add a HierarchyEventListener event to the repository.

ALL - Static variable in class org.apache.log4j.Level

The ALL has the lowest possible rank and is intended to turn on all logging.

ALL_INT - Static variable in class org.apache.log4j.Priority

The ALL has the lowest possible rank and is intended to turn on all logging.

Appender - Interface in org.apache.log4j

Implement this interface for your own strategies for outputting log statements.

assertLog(boolean, String) - Method in class org.apache.log4j.Category

If assertion parameter is false, then logs msg as an error statement.

B

BasicConfigurator - Class in org.apache.log4j

Provided for compatibility with Log4j 1.x.

BasicConfigurator() - Constructor for class org.apache.log4j.BasicConfigurator

bundle - Variable in class org.apache.log4j.Category

Resource bundle for localized messages.

C

callAppenders(LoggingEvent) - Method in class org.apache.log4j.Category

No-op implementation.

Category - Class in org.apache.log4j

Implementation of the Category class for compatibility, despite it having been deprecated a long, long time ago.

Category(LoggerContext, String) - Constructor for class org.apache.log4j.Category

Constructor used by Logger to specify a LoggerContext.

Category(String) - Constructor for class org.apache.log4j.Category

Constructor exposed by Log4j 1.2.

clear() - Static method in class org.apache.log4j.MDC

clear() - Static method in class org.apache.log4j.NDC

Clear any nested diagnostic information if any.

clearFilters() - Method in interface org.apache.log4j.Appender

Clear the list of filters by removing all the filters in it.

cloneStack() - Static method in class org.apache.log4j.NDC

Clone the diagnostic context for the current thread.

close() - Method in interface org.apache.log4j.Appender

Release any resources allocated within the appender such as file handles, network connections, etc.

CONFIGURATOR_CLASS_KEY - Static variable in class org.apache.log4j.LogManager

Deprecated.

This variable is for internal use only. It will become private in future versions.

configure() - Static method in class org.apache.log4j.BasicConfigurator

configure(Appender) - Static method in class org.apache.log4j.BasicConfigurator

No-op implementation.

configure(String) - Static method in class org.apache.log4j.PropertyConfigurator

Read configuration options from configuration file.

configure(URL) - Static method in class org.apache.log4j.PropertyConfigurator

Read configuration options from url configURL.

configure(InputStream) - Static method in class org.apache.log4j.PropertyConfigurator

Reads configuration options from an InputStream.

configure(Properties) - Static method in class org.apache.log4j.PropertyConfigurator

Read configuration options from properties.

configure(Element) - Static method in class org.apache.log4j.xml.DOMConfigurator

configure(String) - Static method in class org.apache.log4j.xml.DOMConfigurator

configure(URL) - Static method in class org.apache.log4j.xml.DOMConfigurator

configureAndWatch(String) - Static method in class org.apache.log4j.PropertyConfigurator

Like PropertyConfigurator.configureAndWatch(String, long) except that the default delay as defined by FileWatchdog.DEFAULT_DELAY is used.

configureAndWatch(String, long) - Static method in class org.apache.log4j.PropertyConfigurator

Read the configuration file configFilename if it exists.

configureAndWatch(String) - Static method in class org.apache.log4j.xml.DOMConfigurator

configureAndWatch(String, long) - Static method in class org.apache.log4j.xml.DOMConfigurator

D

debug(Object) - Method in class org.apache.log4j.Category

debug(Object, Throwable) - Method in class org.apache.log4j.Category

DEBUG - Static variable in class org.apache.log4j.Level

The DEBUG Level designates fine-grained informational events that are most useful to debug an application.

DEBUG - Static variable in class org.apache.log4j.Priority

Deprecated.

Use Level.DEBUG instead.

DEBUG_INT - Static variable in class org.apache.log4j.Priority

The DEBUG Level designates fine-grained informational events that are most useful to debug an application.

decide(LoggingEvent) - Method in class org.apache.log4j.spi.Filter

If the decision is DENY, then the event will be dropped.

DEFAULT_CONFIGURATION_FILE - Static variable in class org.apache.log4j.LogManager

Deprecated.

This variable is for internal use only. It will become package protected in future versions.

DEFAULT_CONFIGURATION_KEY - Static variable in class org.apache.log4j.LogManager

Deprecated.

This variable is for internal use only. It will become private in future versions.

DEFAULT_INIT_OVERRIDE_KEY - Static variable in class org.apache.log4j.LogManager

Deprecated.

This variable is for internal use only. It will become private in future versions.

DENY - Static variable in class org.apache.log4j.spi.Filter

The log event must be dropped immediately without consulting with the remaining filters, if any, in the chain.

doAppend(LoggingEvent) - Method in interface org.apache.log4j.Appender

Log in Appender specific way.

doConfigure(String, LoggerRepository) - Method in class org.apache.log4j.PropertyConfigurator

Read configuration options from configuration file.

doConfigure(Properties, LoggerRepository) - Method in class org.apache.log4j.PropertyConfigurator

Read configuration options from properties.

doConfigure(InputStream, LoggerRepository) - Method in class org.apache.log4j.PropertyConfigurator

Read configuration options from an InputStream.

doConfigure(URL, LoggerRepository) - Method in class org.apache.log4j.PropertyConfigurator

Read configuration options from url configURL.

doConfigure(String, LoggerRepository) - Method in class org.apache.log4j.xml.DOMConfigurator

doConfigure(URL, LoggerRepository) - Method in class org.apache.log4j.xml.DOMConfigurator

doConfigure(InputStream, LoggerRepository) - Method in class org.apache.log4j.xml.DOMConfigurator

doConfigure(Reader, LoggerRepository) - Method in class org.apache.log4j.xml.DOMConfigurator

doConfigure(Element, LoggerRepository) - Method in class org.apache.log4j.xml.DOMConfigurator

DOMConfigurator - Class in org.apache.log4j.xml

DOMConfigurator() - Constructor for class org.apache.log4j.xml.DOMConfigurator

E

emitNoAppenderWarning(Category) - Method in interface org.apache.log4j.spi.LoggerRepository

equals(Object) - Method in class org.apache.log4j.Priority

Two priorities are equal if their level fields are equal.

error(Object) - Method in class org.apache.log4j.Category

error(Object, Throwable) - Method in class org.apache.log4j.Category

ERROR - Static variable in class org.apache.log4j.Level

The ERROR level designates error events that might still allow the application to continue running.

ERROR - Static variable in class org.apache.log4j.Priority

Deprecated.

Use Level.ERROR instead.

error(String, Exception, int) - Method in interface org.apache.log4j.spi.ErrorHandler

Equivalent to the ErrorHandler.error(String, Exception, int, LoggingEvent) with the the event parameter set to null.

error(String) - Method in interface org.apache.log4j.spi.ErrorHandler

This method is normally used to just print the error message passed as a parameter.

error(String, Exception, int, LoggingEvent) - Method in interface org.apache.log4j.spi.ErrorHandler

This method is invoked to handle the error.

ERROR_INT - Static variable in class org.apache.log4j.Priority

The ERROR level designates error events that might still allow the application to continue running.

ErrorHandler - Interface in org.apache.log4j.spi

Appenders may delegate their error handling to ErrorHandlers.

exists(String) - Method in class org.apache.log4j.Category

exists(String) - Static method in class org.apache.log4j.LogManager

exists(String) - Method in interface org.apache.log4j.spi.LoggerRepository

F

fatal(Object) - Method in class org.apache.log4j.Category

fatal(Object, Throwable) - Method in class org.apache.log4j.Category

FATAL - Static variable in class org.apache.log4j.Level

The FATAL level designates very severe error events that will presumably lead the application to abort.

FATAL - Static variable in class org.apache.log4j.Priority

Deprecated.

Use Level.FATAL instead.

FATAL_INT - Static variable in class org.apache.log4j.Priority

The FATAL level designates very severe error events that will presumably lead the application to abort.

Filter - Class in org.apache.log4j.spi

Filter() - Constructor for class org.apache.log4j.spi.Filter

fireAddAppenderEvent(Category, Appender) - Method in interface org.apache.log4j.spi.LoggerRepository

forcedLog(String, Priority, Object, Throwable) - Method in class org.apache.log4j.Category

format(LoggingEvent) - Method in class org.apache.log4j.Layout

Implement this method to create your own layout format.

format(LoggingEvent) - Method in class org.apache.log4j.PatternLayout

G

get(String) - Static method in class org.apache.log4j.MDC

get() - Static method in class org.apache.log4j.NDC

Never use this method directly.

getAdditivity() - Method in class org.apache.log4j.Category

getAllAppenders() - Method in class org.apache.log4j.Category

getAllPossiblePriorities() - Static method in class org.apache.log4j.Priority

Deprecated.

This method will be removed with no replacement.

getAppender(String) - Method in class org.apache.log4j.Category

No-op implementation.

getChainedPriority() - Method in class org.apache.log4j.Category

getContentType() - Method in class org.apache.log4j.Layout

Returns the content type output by this layout.

getContext() - Static method in class org.apache.log4j.MDC

getCurrentCategories() - Static method in class org.apache.log4j.Category

Deprecated.

Please use LogManager.getCurrentLoggers() instead.

getCurrentCategories() - Method in interface org.apache.log4j.spi.LoggerRepository

Deprecated.

getCurrentLoggers() - Static method in class org.apache.log4j.LogManager

getCurrentLoggers() - Method in interface org.apache.log4j.spi.LoggerRepository

getDepth() - Static method in class org.apache.log4j.NDC

Get the current nesting depth of this diagnostic context.

getEffectiveLevel() - Method in class org.apache.log4j.Category

getErrorHandler() - Method in interface org.apache.log4j.Appender

Returns the ErrorHandler for this appender.

getFilter() - Method in interface org.apache.log4j.Appender

Returns the head Filter.

getFooter() - Method in class org.apache.log4j.Layout

Returns the footer for the layout format.

getHeader() - Method in class org.apache.log4j.Layout

Returns the header for the layout format.

getInstance(String) - Static method in class org.apache.log4j.Category

getInstance(Class) - Static method in class org.apache.log4j.Category

getInstance() - Static method in class org.apache.log4j.helpers.NullEnumeration

getLayout() - Method in interface org.apache.log4j.Appender

Returns this appenders layout.

getLevel() - Method in class org.apache.log4j.Category

getLogger(String) - Static method in class org.apache.log4j.Logger

getLogger(Class<?>) - Static method in class org.apache.log4j.Logger

getLogger(String, LoggerFactory) - Static method in class org.apache.log4j.Logger

getLogger(String) - Static method in class org.apache.log4j.LogManager

getLogger(Class) - Static method in class org.apache.log4j.LogManager

getLogger(String, LoggerFactory) - Static method in class org.apache.log4j.LogManager

getLogger(String) - Method in interface org.apache.log4j.spi.LoggerRepository

getLogger(String, LoggerFactory) - Method in interface org.apache.log4j.spi.LoggerRepository

getLoggerRepository() - Static method in class org.apache.log4j.LogManager

getLoggerRepository() - Method in interface org.apache.log4j.spi.RepositorySelector

Returns a LoggerRepository depending on the context.

getMessage() - Method in exception org.apache.log4j.config.PropertySetterException

Returns descriptive text on the cause of this exception.

getName() - Method in interface org.apache.log4j.Appender

Get the name of this appender.

getName() - Method in class org.apache.log4j.Category

getNext() - Method in class org.apache.log4j.spi.Filter

Return the pointer to the next filter.

getParent() - Method in class org.apache.log4j.Category

getPriority() - Method in class org.apache.log4j.Category

getResourceBundle() - Method in class org.apache.log4j.Category

getRoot() - Static method in class org.apache.log4j.Category

getRootLogger() - Static method in class org.apache.log4j.Logger

getRootLogger() - Static method in class org.apache.log4j.LogManager

getRootLogger() - Method in interface org.apache.log4j.spi.LoggerRepository

getSyslogEquivalent() - Method in class org.apache.log4j.Priority

Returns the syslog equivalent of this priority as an integer.

getThreshold() - Method in interface org.apache.log4j.spi.LoggerRepository

Get the repository-wide threshold.

H

hashCode() - Method in class org.apache.log4j.Priority

hasMoreElements() - Method in class org.apache.log4j.helpers.NullEnumeration

HierarchyEventListener - Interface in org.apache.log4j.spi

Listen to events occurring within a Hierarchy.

I

ignoresThrowable() - Method in class org.apache.log4j.Layout

If the layout handles the throwable object contained within LoggingEvent, then the layout should return false.

ignoresThrowable() - Method in class org.apache.log4j.PatternLayout

info(Object) - Method in class org.apache.log4j.Category

info(Object, Throwable) - Method in class org.apache.log4j.Category

INFO - Static variable in class org.apache.log4j.Level

The INFO level designates informational messages that highlight the progress of the application at coarse-grained level.

INFO - Static variable in class org.apache.log4j.Priority

Deprecated.

Use Level.INFO instead.

INFO_INT - Static variable in class org.apache.log4j.Priority

The INFO level designates informational messages that highlight the progress of the application at coarse-grained level.

inherit(Stack<String>) - Static method in class org.apache.log4j.NDC

Inherit the diagnostic context of another thread.

isAttached(Appender) - Method in class org.apache.log4j.Category

Is the appender passed as parameter attached to this category?

isDebugEnabled() - Method in class org.apache.log4j.Category

isDisabled(int) - Method in interface org.apache.log4j.spi.LoggerRepository

Returns whether this repository is disabled for a given level.

isEnabledFor(Priority) - Method in class org.apache.log4j.Category

isErrorEnabled() - Method in class org.apache.log4j.Category

isFatalEnabled() - Method in class org.apache.log4j.Category

isGreaterOrEqual(Priority) - Method in class org.apache.log4j.Priority

Returns true if this level has a higher or equal level than the level passed as argument, false otherwise.

isInfoEnabled() - Method in class org.apache.log4j.Category

isTraceEnabled() - Method in class org.apache.log4j.Category

isWarnEnabled() - Method in class org.apache.log4j.Category

L

l7dlog(Priority, String, Throwable) - Method in class org.apache.log4j.Category

l7dlog(Priority, String, Object[], Throwable) - Method in class org.apache.log4j.Category

Layout - Class in org.apache.log4j

Layout() - Constructor for class org.apache.log4j.Layout

Level - Class in org.apache.log4j

Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFO, DEBUG and ALL.

Level(int, String, int) - Constructor for class org.apache.log4j.Level

Instantiate a Level object.

LINE_SEP_LEN - Static variable in class org.apache.log4j.Layout

Note that the line.separator property can be looked up even by applets.

log(Priority, Object, Throwable) - Method in class org.apache.log4j.Category

log(Priority, Object) - Method in class org.apache.log4j.Category

log(String, Priority, Object, Throwable) - Method in class org.apache.log4j.Category

Logger - Class in org.apache.log4j

Logger(String) - Constructor for class org.apache.log4j.Logger

LoggerFactory - Interface in org.apache.log4j.spi

Implement this interface to create new instances of Logger or a sub-class of Logger.

LoggerRepository - Interface in org.apache.log4j.spi

A LoggerRepository is used to create and retrieve Loggers.

LoggingEvent - Class in org.apache.log4j.spi

No-op version of Log4j 1.2 LoggingEvent.

LoggingEvent() - Constructor for class org.apache.log4j.spi.LoggingEvent

LogManager - Class in org.apache.log4j

M

makeNewLoggerInstance(LoggerContext, String) - Method in interface org.apache.log4j.spi.LoggerFactory

MDC - Class in org.apache.log4j

This class behaves just like Log4j's MDC would - and so can cause issues with the redeployment of web applications if the Objects stored in the threads Map cannot be garbage collected.

N

NDC - Class in org.apache.log4j

NEUTRAL - Static variable in class org.apache.log4j.spi.Filter

This filter is neutral with respect to the log event.

next - Variable in class org.apache.log4j.spi.Filter

Deprecated.

As of 1.2.12, use Filter.getNext() and Filter.setNext(org.apache.log4j.spi.Filter) instead

nextElement() - Method in class org.apache.log4j.helpers.NullEnumeration

NullEnumeration - Class in org.apache.log4j.helpers

An always-empty Enumerator.

O

OFF - Static variable in class org.apache.log4j.Level

The OFF has the highest possible rank and is intended to turn off logging.

OFF_INT - Static variable in class org.apache.log4j.Priority

The OFF has the highest possible rank and is intended to turn off logging.

org.apache.log4j - package org.apache.log4j

Log4j 1.x compatibility layer.

org.apache.log4j.config - package org.apache.log4j.config

Log4j 1.x compatibility layer.

org.apache.log4j.helpers - package org.apache.log4j.helpers

Log4j 1.x compatibility layer.

org.apache.log4j.spi - package org.apache.log4j.spi

Log4j 1.x compatibility layer.

org.apache.log4j.xml - package org.apache.log4j.xml

Log4j 1.x compatibility layer.

P

parseElement(Element, Properties, Class) - Static method in class org.apache.log4j.xml.DOMConfigurator

PatternLayout - Class in org.apache.log4j

PatternLayout(String) - Constructor for class org.apache.log4j.PatternLayout

peek() - Static method in class org.apache.log4j.NDC

Looks at the last diagnostic context at the top of this NDC without removing it.

pop() - Static method in class org.apache.log4j.NDC

Clients should call this method before leaving a diagnostic context.

Priority - Class in org.apache.log4j

Refrain from using this class directly, use the Level class instead.

Priority() - Constructor for class org.apache.log4j.Priority

Default constructor for deserialization.

Priority(int, String, int) - Constructor for class org.apache.log4j.Priority

Instantiate a level object.

PropertyConfigurator - Class in org.apache.log4j

A configurator for properties.

PropertyConfigurator() - Constructor for class org.apache.log4j.PropertyConfigurator

PropertySetter - Class in org.apache.log4j.config

PropertySetter(Object) - Constructor for class org.apache.log4j.config.PropertySetter

Create a new PropertySetter for the specified Object.

PropertySetterException - Exception in org.apache.log4j.config

Thrown when an error is encountered whilst attempting to set a property using the PropertySetter utility class.

PropertySetterException(String) - Constructor for exception org.apache.log4j.config.PropertySetterException

Construct the exception with the given message.

PropertySetterException(Throwable) - Constructor for exception org.apache.log4j.config.PropertySetterException

Construct the exception with the given root cause.

push(String) - Static method in class org.apache.log4j.NDC

Push new diagnostic context information for the current thread.

put(String, String) - Static method in class org.apache.log4j.MDC

put(String, Object) - Static method in class org.apache.log4j.MDC

R

readResolve() - Method in class org.apache.log4j.Level

Resolved deserialized level to one of the stock instances.

remove(String) - Static method in class org.apache.log4j.MDC

remove() - Static method in class org.apache.log4j.NDC

Remove the diagnostic context for this thread.

removeAllAppenders() - Method in class org.apache.log4j.Category

No-op implementation.

removeAppender(Appender) - Method in class org.apache.log4j.Category

No-op implementation.

removeAppender(String) - Method in class org.apache.log4j.Category

No-op implementation.

removeAppenderEvent(Category, Appender) - Method in interface org.apache.log4j.spi.HierarchyEventListener

RepositorySelector - Interface in org.apache.log4j.spi

The LogManager uses one (and only one) RepositorySelector implementation to select the LoggerRepository for a particular application context.

requiresLayout() - Method in interface org.apache.log4j.Appender

Configurators call this method to determine if the appender requires a layout.

resetConfiguration() - Static method in class org.apache.log4j.BasicConfigurator

No-op implementation.

resetConfiguration() - Static method in class org.apache.log4j.LogManager

No-op implementation.

resetConfiguration() - Method in interface org.apache.log4j.spi.LoggerRepository

rootCause - Variable in exception org.apache.log4j.config.PropertySetterException

The root cause.

S

setAdditivity(boolean) - Method in class org.apache.log4j.Category

setAppender(Appender) - Method in interface org.apache.log4j.spi.ErrorHandler

Set the appender for which errors are handled.

setBackupAppender(Appender) - Method in interface org.apache.log4j.spi.ErrorHandler

Set the appender to fallback upon in case of failure.

setErrorHandler(ErrorHandler) - Method in interface org.apache.log4j.Appender

Set the ErrorHandler for this appender.

setLayout(Layout) - Method in interface org.apache.log4j.Appender

Set the Layout for this appender.

setLevel(Level) - Method in class org.apache.log4j.Category

setLogger(Logger) - Method in interface org.apache.log4j.spi.ErrorHandler

Add a reference to a logger to which the failing appender might be attached to.

setMaxDepth(int) - Static method in class org.apache.log4j.NDC

Set maximum depth of this diagnostic context.

setName(String) - Method in interface org.apache.log4j.Appender

Set the name of this appender.

setNext(Filter) - Method in class org.apache.log4j.spi.Filter

Set the next filter pointer.

setParameter(Element, PropertySetter, Properties) - Static method in class org.apache.log4j.xml.DOMConfigurator

setPriority(Priority) - Method in class org.apache.log4j.Category

setProperties(Properties, String) - Method in class org.apache.log4j.config.PropertySetter

Set the properties for the object that match the prefix passed as parameter.

setProperties(Object, Properties, String) - Static method in class org.apache.log4j.config.PropertySetter

Set the properties of an object passed as a parameter in one go.

setProperty(String, String) - Method in class org.apache.log4j.config.PropertySetter

Set a property on this PropertySetter's Object.

setProperty(PropertyDescriptor, String, String) - Method in class org.apache.log4j.config.PropertySetter

Set the named property given a PropertyDescriptor.

setRepositorySelector(RepositorySelector, Object) - Static method in class org.apache.log4j.LogManager

No-op implementation.

setResourceBundle(ResourceBundle) - Method in class org.apache.log4j.Category

setThreshold(Level) - Method in interface org.apache.log4j.spi.LoggerRepository

Set the repository-wide threshold.

setThreshold(String) - Method in interface org.apache.log4j.spi.LoggerRepository

Another form of LoggerRepository.setThreshold(Level) accepting a string parameter instead of a Level.

shutdown() - Static method in class org.apache.log4j.Category

No-op implementation.

shutdown() - Static method in class org.apache.log4j.LogManager

No-op implementation.

shutdown() - Method in interface org.apache.log4j.spi.LoggerRepository

subst(String, Properties) - Static method in class org.apache.log4j.xml.DOMConfigurator

T

toInt() - Method in class org.apache.log4j.Priority

Returns the integer representation of this level.

toLevel(String) - Static method in class org.apache.log4j.Level

Convert the string passed as argument to a level.

toLevel(int) - Static method in class org.apache.log4j.Level

Convert an integer passed as argument to a level.

toLevel(int, Level) - Static method in class org.apache.log4j.Level

Convert an integer passed as argument to a level.

toLevel(String, Level) - Static method in class org.apache.log4j.Level

Convert the string passed as argument to a level.

toPriority(String) - Static method in class org.apache.log4j.Priority

Deprecated.

Please use the Level.toLevel(String) method instead.

toPriority(int) - Static method in class org.apache.log4j.Priority

Deprecated.

Please use the Level.toLevel(int) method instead.

toPriority(int, Priority) - Static method in class org.apache.log4j.Priority

Deprecated.

Please use the Level.toLevel(int, Level) method instead.

toPriority(String, Priority) - Static method in class org.apache.log4j.Priority

Deprecated.

Please use the Level.toLevel(String, Level) method instead.

toString() - Method in class org.apache.log4j.Priority

Returns the string representation of this priority.

trace(Object) - Method in class org.apache.log4j.Category

trace(Object, Throwable) - Method in class org.apache.log4j.Category

TRACE - Static variable in class org.apache.log4j.Level

The TRACE Level designates finer-grained informational events than the DEBUG level.

TRACE_INT - Static variable in class org.apache.log4j.Level

TRACE level integer value.

W

warn(Object) - Method in class org.apache.log4j.Category

warn(Object, Throwable) - Method in class org.apache.log4j.Category

WARN - Static variable in class org.apache.log4j.Level

The WARN level designates potentially harmful situations.

WARN - Static variable in class org.apache.log4j.Priority

Deprecated.

Use Level.WARN instead.

WARN_INT - Static variable in class org.apache.log4j.Priority

The WARN level designates potentially harmful situations.

A B C D E F G H I L M N O P R S T W