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8241649: Optimize Character.toString

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Reviewed-by: redestad, rriggs
This commit is contained in:
Sergei Tsypanov 2020-03-26 10:02:57 +01:00 • committed by Claes Redestad
parent b8f8dea9c2
commit b35032dc01
1 changed files with 3 additions and 4 deletions
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7
src/java.base/share/classes/java/lang/Character.java
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@ -3285,7 +3285,7 @@ class Character implements java.io.Serializable, Comparable<Character> {
"SYMBOLS AND PICTOGRAPHS EXTENDED-A", "SYMBOLS AND PICTOGRAPHS EXTENDED-A",
"SYMBOLSANDPICTOGRAPHSEXTENDED-A"); "SYMBOLSANDPICTOGRAPHSEXTENDED-A");
private static final int blockStarts[] = { private static final int[] blockStarts = {
0x0000, // 0000..007F; Basic Latin 0x0000, // 0000..007F; Basic Latin
0x0080, // 0080..00FF; Latin-1 Supplement 0x0080, // 0080..00FF; Latin-1 Supplement
0x0100, // 0100..017F; Latin Extended-A 0x0100, // 0100..017F; Latin Extended-A
@ -8068,7 +8068,7 @@ class Character implements java.io.Serializable, Comparable<Character> {
UNKNOWN, // E01F0..10FFFF UNKNOWN, // E01F0..10FFFF
}; };
private static HashMap<String, Character.UnicodeScript> aliases; private static final HashMap<String, Character.UnicodeScript> aliases;
static { static {
aliases = new HashMap<>((int)(153 / 0.75f + 1.0f)); aliases = new HashMap<>((int)(153 / 0.75f + 1.0f));
aliases.put("ADLM", ADLAM); aliases.put("ADLM", ADLAM);
@ -8421,8 +8421,7 @@ class Character implements java.io.Serializable, Comparable<Character> {
* @return a string representation of this object. * @return a string representation of this object.
*/ */
public String toString() { public String toString() {
char buf[] = {value}; return String.valueOf(value);
return String.valueOf(buf);
} }
/** /**