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8257845: Integrate JEP 390

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8254047: [JEP 390] Revise "value-based class" & apply to wrappers
8252181: [JEP 390] Define & apply annotation jdk.internal.ValueBased
8252183: [JEP 390] Add 'lint' warning for @ValueBased classes
8257027: [JEP 390] Diagnose synchronization on @ValueBased classes
8252180: [JEP 390] Deprecate wrapper class constructors for removal

Co-authored-by: Roger Riggs <rriggs@openjdk.org>
Co-authored-by: Srikanth Adayapalam <sadayapalam@openjdk.org>
Co-authored-by: Lois Foltan <lfoltan@openjdk.org>
Reviewed-by: rriggs, hseigel, mchung, darcy
This commit is contained in:
Dan Smith 2020-12-08 23:04:01 +00:00
parent ed4c4ee73b
commit 48d8650ae1
113 changed files with 695 additions and 327 deletions
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11
src/java.base/share/classes/java/lang/Byte.java
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@ -48,11 +48,18 @@ import static java.lang.constant.ConstantDescs.DEFAULT_NAME;
* byte}, as well as other constants and methods useful when dealing
* with a {@code byte}.
*
* <p>This is a <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>
* class; programmers should treat instances that are
* {@linkplain #equals(Object) equal} as interchangeable and should not
* use instances for synchronization, or unpredictable behavior may
* occur. For example, in a future release, synchronization may fail.
*
* @author Nakul Saraiya
* @author Joseph D. Darcy
* @see java.lang.Number
* @since 1.1
*/
@jdk.internal.ValueBased
public final class Byte extends Number implements Comparable<Byte>, Constable {
/**
@ -337,7 +344,7 @@ public final class Byte extends Number implements Comparable<Byte>, Constable {
* {@link #valueOf(byte)} is generally a better choice, as it is
* likely to yield significantly better space and time performance.
*/
@Deprecated(since="9")
@Deprecated(since="9", forRemoval = true)
public Byte(byte value) {
this.value = value;
}
@ -360,7 +367,7 @@ public final class Byte extends Number implements Comparable<Byte>, Constable {
* {@code byte} primitive, or use {@link #valueOf(String)}
* to convert a string to a {@code Byte} object.
*/
@Deprecated(since="9")
@Deprecated(since="9", forRemoval = true)
public Byte(String s) throws NumberFormatException {
this.value = parseByte(s, 10);
}