update CollectorsDemo.java

CodeCoderCoding · CodeCoderCoding · commit 4219619c1e48 · 2023-06-29T08:36:07.000+08:00
diff --git a/src/FDynamic/Stream/CollectorsDemo.java b/src/FDynamic/Stream/CollectorsDemo.java
@@ -16,6 +16,7 @@ public static void main(String[] args) {
                 new Person("bbb", 19, new BigDecimal(124))
         );
         groupBy(personList);
+        partionBy(personList);
     }
 
     /**
@@ -28,4 +29,14 @@ public static void groupBy(List<Person> personList){
         System.out.println(map);
     }
 
+    /**
+     * 根据人员的name是否是aaa来进行区分
+     * @param personList
+     */
+    public static void partionBy(List<Person> personList){
+        Map<Boolean, List<Person>> map=personList.stream()
+                .collect(Collectors.partitioningBy(person -> "aaa".equals(person.getName())));
+        System.out.println(map);
+    }
+
 }
