Last Updated：2025/11/28
(programming, object-oriented programming) principle that states that once an interface has become too large, it needs to be split into smaller and more specific interfaces so that any client of the interface will only know about the methods that pertain to itself. (In other words: no client should be forced to depend on methods it does not use.)
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interface segregation principle
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Source Word
interface segregation principle
Proper noun
(programming,
object-oriented
programming)
principle
that
states
that
once
an
interface
has
become
too
large,
it
needs
to
be
split
into
smaller
and
more
specific
interfaces
so
that
any
client
of
the
interface
will
only
know
about
the
methods
that
pertain
to
itself.
(In
other
words:
no
client
should
be
forced
to
depend
on
methods
it
does
not
use.)
Japanese Meaning
インターフェース分離の原則: インターフェースが大きくなりすぎると、利用するクライアントが不要なメソッドまで知ってしまうため、各クライアントが必要とする機能に限定して、インターフェースをより小さく、明確に分割すべきであるという設計原則です。
Sense（1）
(programming,
object-oriented
programming)
principle
that
states
that
once
an
interface
has
become
too
large,
it
needs
to
be
split
into
smaller
and
more
specific
interfaces
so
that
any
client
of
the
interface
will
only
know
about
the
methods
that
pertain
to
itself.
(In
other
words:
no
client
should
be
forced
to
depend
on
methods
it
does
not
use.)
