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4993841: (str) java.lang.Character should have a toString(int) method

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Reviewed-by: martin, rriggs, sherman, smarks
This commit is contained in:
Naoto Sato 2018-03-05 08:50:47 -08:00
parent a131e1668f
commit 3d4edcc571
4 changed files with 91 additions and 3 deletions
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23
src/java.base/share/classes/java/lang/Character.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -7568,6 +7568,11 @@ class Character implements java.io.Serializable, Comparable<Character> {
* specified {@code char}. The result is a string of length
* 1 consisting solely of the specified {@code char}.
*
* @apiNote This method cannot handle <a
* href="#supplementary"> supplementary characters</a>. To support
* all Unicode characters, including supplementary characters, use
* the {@link #toString(int)} method.
*
* @param c the {@code char} to be converted
* @return the string representation of the specified {@code char}
* @since 1.4
@ -7576,6 +7581,22 @@ class Character implements java.io.Serializable, Comparable<Character> {
return String.valueOf(c);
}
/**
* Returns a {@code String} object representing the
* specified character (Unicode code point). The result is a string of
* length 1 or 2, consisting solely of the specified {@code codePoint}.
*
* @param codePoint the {@code codePoint} to be converted
* @return the string representation of the specified {@code codePoint}
* @exception IllegalArgumentException if the specified
* {@code codePoint} is not a {@linkplain #isValidCodePoint
* valid Unicode code point}.
* @since 11
*/
public static String toString(int codePoint) {
return String.valueOfCodePoint(codePoint);
}
/**
* Determines whether the specified code point is a valid
* <a href="http://www.unicode.org/glossary/#code_point">