100  * Each HijrahDate is created bound to a particular HijrahChronology,
101  * The same chronology is propagated to each HijrahDate computed from the date.
102  * To use a different Hijrah variant, its HijrahChronology can be used
103  * to create new HijrahDate instances.
104  * Alternatively, the {@link #withVariant} method can be used to convert
105  * to a new HijrahChronology.
106  * <p>
107  * This is a <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>
108  * class; programmers should treat instances that are
109  * {@linkplain #equals(Object) equal} as interchangeable and should not
110  * use instances for synchronization, or unpredictable behavior may
111  * occur. For example, in a future release, synchronization may fail.
112  * The {@code equals} method should be used for comparisons.
113  *
114  * @implSpec
115  * This class is immutable and thread-safe.
116  *
117  * @since 1.8
118  */
119 @jdk.internal.ValueBased

120 public final class HijrahDate
121         extends ChronoLocalDateImpl<HijrahDate>
122         implements ChronoLocalDate, Serializable {
123 
124     /**
125      * Serialization version.
126      */
127     @java.io.Serial
128     private static final long serialVersionUID = -5207853542612002020L;
129     /**
130      * The Chronology of this HijrahDate.
131      */
132     private final transient HijrahChronology chrono;
133     /**
134      * The proleptic year.
135      */
136     private final transient int prolepticYear;
137     /**
138      * The month-of-year.
139      */

100  * Each HijrahDate is created bound to a particular HijrahChronology,
101  * The same chronology is propagated to each HijrahDate computed from the date.
102  * To use a different Hijrah variant, its HijrahChronology can be used
103  * to create new HijrahDate instances.
104  * Alternatively, the {@link #withVariant} method can be used to convert
105  * to a new HijrahChronology.
106  * <p>
107  * This is a <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>
108  * class; programmers should treat instances that are
109  * {@linkplain #equals(Object) equal} as interchangeable and should not
110  * use instances for synchronization, or unpredictable behavior may
111  * occur. For example, in a future release, synchronization may fail.
112  * The {@code equals} method should be used for comparisons.
113  *
114  * @implSpec
115  * This class is immutable and thread-safe.
116  *
117  * @since 1.8
118  */
119 @jdk.internal.ValueBased
120 @jdk.internal.MigratedValueClass
121 public final class HijrahDate
122         extends ChronoLocalDateImpl<HijrahDate>
123         implements ChronoLocalDate, Serializable {
124 
125     /**
126      * Serialization version.
127      */
128     @java.io.Serial
129     private static final long serialVersionUID = -5207853542612002020L;
130     /**
131      * The Chronology of this HijrahDate.
132      */
133     private final transient HijrahChronology chrono;
134     /**
135      * The proleptic year.
136      */
137     private final transient int prolepticYear;
138     /**
139      * The month-of-year.
140      */