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8357685: Change the type of Integer::digits from char[] to byte[]

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Reviewed-by: rgiulietti, liach
This commit is contained in:
Shaojin Wen 2025-05-25 17:39:53 +00:00
parent b034710b2a
commit 4a4209ffef
2 changed files with 8 additions and 7 deletions
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9
src/java.base/share/classes/java/lang/Integer.java
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@ -100,7 +100,8 @@ public final class Integer extends Number
/**
* All possible chars for representing a number as a String
*/
static final char[] digits = {
@Stable
static final byte[] digits = {
'0' , '1' , '2' , '3' , '4' , '5' ,
'6' , '7' , '8' , '9' , 'a' , 'b' ,
'c' , 'd' , 'e' , 'f' , 'g' , 'h' ,
@ -172,10 +173,10 @@ public final class Integer extends Number
}
while (i <= -radix) {
buf[charPos--] = (byte)digits[-(i % radix)];
buf[charPos--] = digits[-(i % radix)];
i = i / radix;
}
buf[charPos] = (byte)digits[-i];
buf[charPos] = digits[-i];
if (negative) {
buf[--charPos] = '-';
@ -392,7 +393,7 @@ public final class Integer extends Number
int radix = 1 << shift;
int mask = radix - 1;
do {
buf[--charPos] = (byte)Integer.digits[val & mask];
buf[--charPos] = Integer.digits[val & mask];
val >>>= shift;
} while (charPos > 0);
}

6
src/java.base/share/classes/java/lang/Long.java
View File

@ -157,10 +157,10 @@ public final class Long extends Number
}
while (i <= -radix) {
buf[charPos--] = (byte)Integer.digits[(int)(-(i % radix))];
buf[charPos--] = Integer.digits[(int)(-(i % radix))];
i = i / radix;
}
buf[charPos] = (byte)Integer.digits[(int)(-i)];
buf[charPos] = Integer.digits[(int)(-i)];
if (negative) {
buf[--charPos] = '-';
@ -422,7 +422,7 @@ public final class Long extends Number
int radix = 1 << shift;
int mask = radix - 1;
do {
buf[--charPos] = (byte)Integer.digits[((int) val) & mask];
buf[--charPos] = Integer.digits[((int) val) & mask];
val >>>= shift;
} while (charPos > offset);
}