Method Reference with Consumer

Author: spdpiyush

Modern-Java-Examples/src/com/learn/data/Student.java

@@ -54,6 +54,10 @@ public List<String> getActivities() {
         return activities;
     }
 
+    public void printActivities() {
+        System.out.println(activities);
+    }
+
     public void setActivities(List<String> activities) {
         this.activities = activities;
     }

Modern-Java-Examples/src/com/learn/methodreference/ConsumerMethodReferenceExample.java

@@ -0,0 +1,28 @@
+package com.learn.methodreference;
+
+import com.learn.data.Student;
+import com.learn.data.StudentDataBase;
+
+import java.util.function.Consumer;
+
+public class ConsumerMethodReferenceExample {
+
+    /**
+     * ClassName::methodName
+     */
+    static Consumer<Student> consumer = System.out::println;
+
+    /**
+     * ClassName::instanceMethodName
+     */
+    static Consumer<Student> consumer1 = Student::printActivities;
+
+    public static void main(String[] args) {
+
+        StudentDataBase.getAllStudents()
+                .forEach(consumer);
+
+        StudentDataBase.getAllStudents()
+                .forEach(consumer1);
+    }
+}