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author | Reinier Zwitserloot <reinier@zwitserloot.com> | 2015-06-25 00:13:12 +0200 |
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committer | Reinier Zwitserloot <reinier@zwitserloot.com> | 2015-06-25 00:13:12 +0200 |
commit | 251fd03cd78ef6996d4252450bda596a5e8b11b9 (patch) | |
tree | 6cd9f4a8510ffabed01cd5eae60c0e1b6f2d2b35 /usage_examples/DataExample_post.jpage | |
parent | 23dcc9f5a5f3c24ccfb2f98ab556daed0dee3c89 (diff) | |
download | lombok-251fd03cd78ef6996d4252450bda596a5e8b11b9.tar.gz lombok-251fd03cd78ef6996d4252450bda596a5e8b11b9.tar.bz2 lombok-251fd03cd78ef6996d4252450bda596a5e8b11b9.zip |
The hashCode() method now generates a magic prime instead of 0 for the hash of null values; this reduces collisions.
Diffstat (limited to 'usage_examples/DataExample_post.jpage')
-rw-r--r-- | usage_examples/DataExample_post.jpage | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usage_examples/DataExample_post.jpage b/usage_examples/DataExample_post.jpage index e53e999c..bef0a0f1 100644 --- a/usage_examples/DataExample_post.jpage +++ b/usage_examples/DataExample_post.jpage @@ -62,7 +62,7 @@ public class DataExample { final int PRIME = 59; int result = 1; final long temp1 = Double.doubleToLongBits(this.getScore()); - result = (result*PRIME) + (this.getName() == null ? 0 : this.getName().hashCode()); + result = (result*PRIME) + (this.getName() == null ? 43 : this.getName().hashCode()); result = (result*PRIME) + this.getAge(); result = (result*PRIME) + (int)(temp1 ^ (temp1 >>> 32)); result = (result*PRIME) + Arrays.deepHashCode(this.getTags()); @@ -111,8 +111,8 @@ public class DataExample { @Override public int hashCode() { final int PRIME = 59; int result = 1; - result = (result*PRIME) + (this.getName() == null ? 0 : this.getName().hashCode()); - result = (result*PRIME) + (this.getValue() == null ? 0 : this.getValue().hashCode()); + result = (result*PRIME) + (this.getName() == null ? 43 : this.getName().hashCode()); + result = (result*PRIME) + (this.getValue() == null ? 43 : this.getValue().hashCode()); return result; } } |