CollectionUtils的示例

Author: enjoyCoding666

src/main/java/com/collection/CollectionUtilsDemo.java

@@ -0,0 +1,21 @@
+package com.collection;
+
+import org.apache.commons.collections.CollectionUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @Auther: Administrator
+ * @Date: 2019\10\17 0017 23:11
+ * @Description: 判断集合是否为空。简单方便的工具类
+ */
+public class CollectionUtilsDemo {
+    public static void main(String[] args) {
+        List<String> list=new ArrayList<>();
+        if(CollectionUtils.isEmpty(list)){
+            System.out.println("list集合为空");
+        }
+    }
+
+}