public @NotNull CharAssert isUpperCase() {
    if (Character.isUpperCase(actual)) {
      return this;
    }
    failIfCustomMessageIsSet();
    throw failure(String.format("<%s> should be an upper-case character", actual));
  }
public @NotNull CharAssert isUpperCase() {
    if (Character.isUpperCase(actual)) {
      return this;
    }
    failIfCustomMessageIsSet();
    throw failure(String.format("<%s> should be an upper-case character", actual));
  }
public @ NotNull CharAssert isUpperCase ( ) { if ( Character . isUpperCase ( actual ) ) { return this ; } failIfCustomMessageIsSet ( ) ; throw failure ( String . format ( "<%s> should be an upper-case character" , actual ) ) ; }
Verifies that the {@code Character} value is an upper-case value.

@return this assertion object.
@throws AssertionError if the {@code Character} value is not an upper-case value.
Verifies that the { @code Character } value is an upper - case value .