8324053: Use the blessed modifier order for sealed in java.base

Reviewed-by: naoto, darcy, ihse, dfuchs

src/java.base/share/classes/java/lang/BaseVirtualThread.java

@@ -27,7 +27,7 @@
 /**
  * Base class for virtual thread implementations.
  */
-sealed abstract class BaseVirtualThread extends Thread
+abstract sealed class BaseVirtualThread extends Thread
         permits VirtualThread, ThreadBuilders.BoundVirtualThread {
 
     /**

src/java.base/share/classes/sun/net/dns/ResolverConfiguration.java

@@ -37,7 +37,7 @@
  * @since 1.4
  */
 
-public sealed abstract class ResolverConfiguration permits ResolverConfigurationImpl {
+public abstract sealed class ResolverConfiguration permits ResolverConfigurationImpl {
 
     private static final Object lock = new Object();
 

src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java

@@ -1153,7 +1153,7 @@ private int writeInternal(ByteBuffer src, long position) throws IOException {
 
     // -- Memory-mapped buffers --
 
-    private sealed abstract static class Unmapper
+    private abstract static sealed class Unmapper
         implements Runnable, UnmapperProxy
     {
         private final long address;

src/java.base/share/classes/sun/util/calendar/AbstractCalendar.java

@@ -44,7 +44,7 @@
  * @since 1.5
  */
 
-public sealed abstract class AbstractCalendar extends CalendarSystem
+public abstract sealed class AbstractCalendar extends CalendarSystem
         permits BaseCalendar {
 
     // The constants assume no leap seconds support.

src/java.base/share/classes/sun/util/calendar/BaseCalendar.java

@@ -36,7 +36,7 @@
  * @since 1.5
  */
 
-public sealed abstract class BaseCalendar extends AbstractCalendar
+public abstract sealed class BaseCalendar extends AbstractCalendar
         permits Gregorian, JulianCalendar, LocalGregorianCalendar {
 
     public static final int JANUARY = 1;
@@ -141,7 +141,7 @@ public sealed abstract class BaseCalendar extends AbstractCalendar
         744365, // 2039
     };
 
-    public sealed abstract static class Date extends CalendarDate
+    public abstract static sealed class Date extends CalendarDate
             permits Gregorian.Date, ImmutableGregorianDate, JulianCalendar.Date, LocalGregorianCalendar.Date {
         protected Date() {
             super();

src/java.base/share/classes/sun/util/calendar/CalendarDate.java

@@ -59,7 +59,7 @@
  * @author Masayoshi Okutsu
  * @since 1.5
  */
-public sealed abstract class CalendarDate implements Cloneable
+public abstract sealed class CalendarDate implements Cloneable
         permits BaseCalendar.Date {
     public static final int FIELD_UNDEFINED = Integer.MIN_VALUE;
     public static final long TIME_UNDEFINED = Long.MIN_VALUE;

src/java.base/share/classes/sun/util/calendar/CalendarSystem.java

@@ -65,7 +65,7 @@
  * @since 1.5
  */
 
-public sealed abstract class CalendarSystem permits AbstractCalendar {
+public abstract sealed class CalendarSystem permits AbstractCalendar {
 
     /////////////////////// Calendar Factory Methods /////////////////////////