Reserved Keywords in APEX

The following words can only be used as keywords in Apex programming.

• abstract
• activate
• and
• any
• array
• as
• asc
• autonomous
• begin
• bigdecimal
• blob
• break
• bulk
• by
• byte
• case
• cast
• catch
• char
• class
• collect
• commit
• const
• continue
• convertcurrency
• decimal
• default
• delete
• desc
• do
• else
• end
• enum
• exception
• exit
• export
• extends
• false
• final
• finally
• float
• for
• from
• future
• global
• goto
• group
• having
• hint
• if
• implements
• import
• in
• inner
• insert
• instanceof
• interface
• into
• int
• join
• last_90_days
• last_month
• last_n_days
• last_week
• like
• limit
• list
• long
• loop
• map
• merge
• new
• next_90_days
• next_month
• next_n_days
• next_week
• not
• null
• nulls
• number
• object
• of
• on
• or
• outer
• override
• package
• parallel
• pragma
• private
• protected
• public
• retrieve
• return
• returning
• rollback
• savepoint
• search
• select
• set
• short
• sort
• stat
• static
• super
• switch
• synchronized
• system
• testmethod
• then
• this
• this_month
• this_week
• throw
• today
• tolabel
• tomorrow
• transaction
• trigger
• true
• try
• type
• undelete
• update
• upsert
• using
• virtual
• webservice
• when
• where
• while
• yesterday