toUpperCase

Common
JVM
JS
Native
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun Char . toUpperCase ( ) : Char
(Common source) (JVM source) (JS source) (Native source)
Deprecated: Use uppercaseChar() instead.

Converts this character to upper case using Unicode mapping rules of the invariant locale.

Common
JVM
JS
Native
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun String . toUpperCase ( ) : String
(Common source) (JVM source) (JS source) (Native source)
Deprecated: Use uppercase() instead.

Returns a copy of this string converted to upper case using the rules of the default locale.

JVM
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun String . toUpperCase (
locale : Locale
) : String

(source)
Deprecated: Use uppercase() instead.

Returns a copy of this string converted to upper case using the rules of the specified locale.