From c4dd542ff40fa1d21dbd193d77cd433fcc2bba37 Mon Sep 17 00:00:00 2001 From: zihluwang Date: Fri, 18 Jul 2025 15:52:03 +0800 Subject: [PATCH] feat: check whether a collection is empty or not --- .../onixbyte/common/util/CollectionUtil.java | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/common-toolbox/src/main/java/com/onixbyte/common/util/CollectionUtil.java b/common-toolbox/src/main/java/com/onixbyte/common/util/CollectionUtil.java index 615f1ee..a1c7c67 100644 --- a/common-toolbox/src/main/java/com/onixbyte/common/util/CollectionUtil.java +++ b/common-toolbox/src/main/java/com/onixbyte/common/util/CollectionUtil.java @@ -112,4 +112,25 @@ public final class CollectionUtil { return result; } + /** + * Check whether a given collection is not empty. + * + * @param collection the collection to be checked + * @return {@code true} if provided collection is not null and not empty, + * {@code false} otherwise + */ + public static boolean notEmpty(Collection collection) { + return Objects.nonNull(collection) && !collection.isEmpty(); + } + + /** + * Check whether a given collection is empty. + * + * @param collection the collection to be checked + * @return {@code true} if provided collection is null or is empty, {@code false} otherwise + */ + public static boolean isEmpty(Collection collection) { + return Objects.isNull(collection) || collection.isEmpty(); + } + }