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Remove Character.codePointCount()

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This commit is contained in:
Tatsunori Uchino 2026-01-28 23:20:10 +00:00
parent 471b430835
commit c9719d4e32
2 changed files with 3 additions and 23 deletions
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12
src/java.base/share/classes/java/lang/Character.java
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@ -9977,18 +9977,6 @@ class Character implements java.io.Serializable, Comparable<Character>, Constabl
return codePointCountImpl(a, offset, count);
}
/**
* {@return the number of Unicode code points in the {@code char} array}
* Isolated surrogate code units count as one code point each.
*
* @param seq the {@code char} array
* @throws NullPointerException if {@code seq} is null
* @since 27
*/
public static int codePointCount(char[] seq) {
return codePointCountImpl(seq, 0, seq.length);
}
static int codePointCountImpl(char[] a, int offset, int count) {
int endIndex = offset + count;
int n = count;

14
test/jdk/java/lang/Character/Supplementary.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, 2022, 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
@ -23,7 +23,7 @@
/*
* @test
* @bug 4533872 4985214 4985217 4993841 5017268 5017280 8298033 8364007
* @bug 4533872 4985214 4985217 4993841 5017268 5017280 8298033
* @summary Unit tests for supplementary character support (JSR-204)
* @compile Supplementary.java
* @run main/timeout=600 Supplementary
@ -334,8 +334,6 @@ public class Supplementary {
/**
* Test codePointCount(CharSequence, int, int)
* codePointCount(char[], int, int, int, int)
* codePointCount(CharSequence)
* codePointCount(char[])
*/
static void test04(String str) {
int length = str.length();
@ -349,15 +347,9 @@ public class Supplementary {
checkCodePointCount(a, n, m);
}
int n = Character.codePointCount(str);
int m = codePointCount(str);
checkCodePointCount(str, n, m);
n = Character.codePointCount(a);
checkCodePointCount(a, n, m);
// test special cases
length = str.length();
n = Character.codePointCount(str, 0, 0);
int n = Character.codePointCount(str, 0, 0);
checkCodePointCount(str, n, 0);
n = Character.codePointCount(str, length, length);
checkCodePointCount(str, n, 0);