8241649: Optimize Character.toString

Reviewed-by: redestad, rriggs
zhengyu123 · Mar 26, 2020 · b35032d · b35032d
1 parent b8f8dea
commit b35032d
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/src/java.base/share/classes/java/lang/Character.java b/src/java.base/share/classes/java/lang/Character.java
@@ -3285,7 +3285,7 @@ private UnicodeBlock(String idName, String... aliases) {
                              "SYMBOLS AND PICTOGRAPHS EXTENDED-A",
                              "SYMBOLSANDPICTOGRAPHSEXTENDED-A");
 
-        private static final int blockStarts[] = {
+        private static final int[] blockStarts = {
             0x0000,   // 0000..007F; Basic Latin
             0x0080,   // 0080..00FF; Latin-1 Supplement
             0x0100,   // 0100..017F; Latin Extended-A
@@ -8068,7 +8068,7 @@ public static enum UnicodeScript {
             UNKNOWN,                  // E01F0..10FFFF
         };
 
-        private static HashMap<String, Character.UnicodeScript> aliases;
+        private static final HashMap<String, Character.UnicodeScript> aliases;
         static {
             aliases = new HashMap<>((int)(153 / 0.75f + 1.0f));
             aliases.put("ADLM", ADLAM);
@@ -8421,8 +8421,7 @@ public boolean equals(Object obj) {
      * @return  a string representation of this object.
      */
     public String toString() {
-        char buf[] = {value};
-        return String.valueOf(buf);
+        return String.valueOf(value);
     }
 
     /**