On Thu, 7 Oct 2021 16:48:06 GMT, Naoto Sato <na...@openjdk.org> wrote:
>> StringBuffer is a legacy synchronized class. There are more modern >> alternatives which perform better: >> 1. Plain String concatenation should be preferred >> 2. StringBuilder is a direct replacement to StringBuffer which generally >> have better performance >> >> In [JDK-8264029](https://bugs.openjdk.java.net/browse/JDK-8264029) I >> migrated only usages which were automatically detected by IDEA. It turns out >> there are more usages which can be migrated. > > src/java.base/share/classes/java/lang/Character.java line 123: > >> 121: * than U+FFFF are called <em>supplementary character</em>s. The Java >> 122: * platform uses the UTF-16 representation in {@code char} arrays and >> 123: * in the {@code String} and {@code StringBuilder} classes. In > > Not sure simple replacement applies here, as `StringBuffer` still uses > `UTF-16` representation. You may add `StringBuilder` as well here, but I > think you might want to file a CSR to clarify. reverted changes in this spec. ------------- PR: https://git.openjdk.java.net/jdk/pull/5432
