From c4dd542ff40fa1d21dbd193d77cd433fcc2bba37 Mon Sep 17 00:00:00 2001
From: zihluwang <really@zihlu.wang>
Date: Fri, 18 Jul 2025 15:52:03 +0800
Subject: [PATCH 1/2] 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();
+    }
+
 }

From 25279ae8bab6aa17f107a6d08ff977a03b5abfa5 Mon Sep 17 00:00:00 2001
From: zihluwang <really@zihlu.wang>
Date: Fri, 18 Jul 2025 16:34:37 +0800
Subject: [PATCH 2/2] feat: check whether a collection is empty or not

---
 .../com/onixbyte/common/util/CollectionUtil.java    | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

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 a1c7c67..2303b72 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
@@ -113,21 +113,20 @@ public final class CollectionUtil {
     }
 
     /**
-     * Check whether a given collection is not empty.
+     * Check if a collection is not null and not empty.
      *
-     * @param collection the collection to be checked
-     * @return {@code true} if provided collection is not null and not empty,
-     * {@code false} otherwise
+     * @param collection the collection to check
+     * @return {@code true} if the 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.
+     * Check if a collection is null or empty.
      *
-     * @param collection the collection to be checked
-     * @return {@code true} if provided collection is null or is empty, {@code false} otherwise
+     * @param collection the collection to check
+     * @return {@code true} if the collection is null or empty, {@code false} otherwise
      */
     public static boolean isEmpty(Collection<?> collection) {
         return Objects.isNull(collection) || collection.isEmpty();