Added BiFunction Functional Interface

Author: spdpiyush

Modern-Java-Examples/src/com/learn/functionalInterfaces/BiFunctionExample.java

@@ -0,0 +1,29 @@
+package com.learn.functionalInterfaces;
+
+import com.learn.data.Student;
+import com.learn.data.StudentDataBase;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Predicate;
+
+public class BiFunctionExample {
+
+    static BiFunction<List<Student>, Predicate<Student>, Map<String, Double>> biFunction =
+            ((students, studentPredicate) -> {
+                Map<String, Double> studentGradeMap = new HashMap<>();
+                students.forEach(student -> {
+                    if (studentPredicate.test(student)) {
+                        studentGradeMap.put(student.getName(), student.getGpa());
+                    }
+                });
+                return studentGradeMap;
+            });
+    public static void main(String[] args) {
+
+        System.out.println(biFunction.apply(StudentDataBase.getAllStudents(), PredicateStudentExample.predicate1));
+
+    }
+}

README.md

@@ -11,7 +11,8 @@ This repository contains the basic & advance level examples related to Java
     * [Predicate](Modern-Java-Examples/src/com/learn/functionalInterfaces/PredicateExample.java)
     * [Predicate + Consumer](Modern-Java-Examples/src/com/learn/functionalInterfaces/PredicateAndConsumerExample.java)
     * [BiPredicate](Modern-Java-Examples/src/com/learn/functionalInterfaces/BiPredicateExample.java)
-    * [Function](Modern-Java-Examples/src/com/learn/functionalInterfaces/)
+    * [Function](Modern-Java-Examples/src/com/learn/functionalInterfaces/FunctionExample.java)
+    * [BiFunction](Modern-Java-Examples/src/com/learn/functionalInterfaces/BiFunctionExample.java)