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8267110: Update java.util to use instanceof pattern variable

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Reviewed-by: lancea, naoto
This commit is contained in:
Patrick Concannon 2021-05-25 08:24:49 +00:00
parent 0a03fc84b3
commit a52c4ede2f
29 changed files with 142 additions and 266 deletions
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6
src/java.base/share/classes/java/util/LinkedHashMap.java
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@ -681,16 +681,14 @@ public class LinkedHashMap<K,V>
return new LinkedEntryIterator();
}
public final boolean contains(Object o) {
if (!(o instanceof Map.Entry))
if (!(o instanceof Map.Entry<?, ?> e))
return false;
Map.Entry<?,?> e = (Map.Entry<?,?>) o;
Object key = e.getKey();
Node<K,V> candidate = getNode(key);
return candidate != null && candidate.equals(e);
}
public final boolean remove(Object o) {
if (o instanceof Map.Entry) {
Map.Entry<?,?> e = (Map.Entry<?,?>) o;
if (o instanceof Map.Entry<?, ?> e) {
Object key = e.getKey();
Object value = e.getValue();
return removeNode(hash(key), key, value, true, true) != null;