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[LANG-1810] Deprecate SOFT_MAX_ARRAY_LENGTH in favor of MAX_ARRAY_LENGTH #1559

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Merged
garydgregory merged 3 commits into from
Jan 11, 2026
Merged

[LANG-1810] Deprecate SOFT_MAX_ARRAY_LENGTH in favor of MAX_ARRAY_LENGTH #1559

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b653e4e
[LANG-1810] Deprecate SOFT_MAX_ARRAY_LENGTH in favor of MAX_ARRAY_LENGTH
Jan 10, 2026
6f115f9
[LANG-1810] Add test coverage for MAX_ARRAY_LENGTH
Jan 10, 2026
837280d
[LANG-1810] Rename new constant to SAFE_MAX_ARRAY_LENGTH and update J…
Jan 10, 2026
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9 changes: 9 additions & 0 deletions src/main/java/org/apache/commons/lang3/ArrayUtils.java
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Expand Up @@ -194,9 +194,18 @@ public class ArrayUtils {
* The {@code SOFT_MAX_ARRAY_LENGTH} constant from Java's internal ArraySupport class.
*
* @since 3.19.0
* @deprecated This variable will be final in 4.0; to guarantee immutability now, use {@link #SAFE_MAX_ARRAY_LENGTH}.
*/
@Deprecated
public static int SOFT_MAX_ARRAY_LENGTH = Integer.MAX_VALUE - 8;

/**
* The {@code MAX_ARRAY_LENGTH} constant from Java's internal ArraySupport class.
*
* @since 3.21.0
*/
public static final int SAFE_MAX_ARRAY_LENGTH = Integer.MAX_VALUE - 8;

/**
* Copies the given array and adds the given element at the end of the new array.
* <p>
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5 changes: 5 additions & 0 deletions src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java
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Expand Up @@ -6958,4 +6958,9 @@ void testToStringDefault() {
assertEquals("{<null>}", ArrayUtils.toString(new String[]{null}, "<empty>"));
assertEquals("{pink,blue}", ArrayUtils.toString(new String[]{"pink", "blue"}, "<empty>"));
}

@Test
void testMaxArrayLength() {
assertEquals(Integer.MAX_VALUE - 8, ArrayUtils.SAFE_MAX_ARRAY_LENGTH);
}
}