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src/main/java/org/codelibs/core/collection/CollectionsUtil.java
*/ public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) { final V exists = map.putIfAbsent(key, value); if (exists != null) { return exists; } return value; } /** * {@link Collection}が{@literal null}または要素が無い場合は{@literal true}を返します。 *
Java - Registered: Fri Apr 26 20:58:09 GMT 2024 - Last Modified: Thu Mar 07 01:59:08 GMT 2024 - 53.9K bytes - Viewed (0)