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8260265: UTF-8 by Default

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Reviewed-by: alanb, rriggs
This commit is contained in:
Naoto Sato 2021-08-30 21:13:59 +00:00
parent 32048536e9
commit 7fc8540907
22 changed files with 385 additions and 201 deletions
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18
src/java.base/share/classes/java/nio/charset/Charset.java
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@ -210,9 +210,8 @@ import java.util.TreeMap;
* <small>ZERO-WIDTH NON-BREAKING SPACE</small>.
*
* <p> Every instance of the Java virtual machine has a default charset, which
* may or may not be one of the standard charsets. The default charset is
* determined during virtual-machine startup and typically depends upon the
* locale and charset being used by the underlying operating system. </p>
* is {@code UTF-8} unless changed in an implementation specific manner. Refer to
* {@link #defaultCharset()} for more detail.
*
* <p> The {@link StandardCharsets} class defines constants for each of the
* standard charsets.
@ -592,11 +591,18 @@ public abstract class Charset
/**
* Returns the default charset of this Java virtual machine.
*
* <p> The default charset is determined during virtual-machine startup and
* typically depends upon the locale and charset of the underlying
* operating system.
* <p> The default charset is {@code UTF-8}, unless changed in an
* implementation specific manner.
*
* @implNote An implementation may override the default charset with
* the system property {@code file.encoding} on the command line. If the
* value is {@code COMPAT}, the default charset is derived from
* the {@code native.encoding} system property, which typically depends
* upon the locale and charset of the underlying operating system.
*
* @return A charset object for the default charset
* @see <a href="../../lang/System.html#file.encoding">file.encoding</a>
* @see <a href="../../lang/System.html#native.encoding">native.encoding</a>
*
* @since 1.5
*/