Merge pull request #13118 from freelansam/JAVA-16260

JAVA-16301: Check Article Code Matches GitHub

core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Car.java

@@ -22,4 +22,9 @@ public class Car implements Vehicle {
     public String slowDown() {
         return "The car is slowing down.";
     }
+
+    @Override
+    public double getSpeed() {
+        return 0;
+    }
 }

core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Motorbike.java

@@ -22,4 +22,9 @@ public class Motorbike implements Vehicle {
     public String slowDown() {
         return "The motorbike is slowing down.";
     }
+
+    @Override
+    public double getSpeed() {
+        return 0;
+    }
 }

core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/MultiAlarmCar.java

@@ -32,4 +32,9 @@ public class MultiAlarmCar implements Vehicle, Alarm {
     public String turnAlarmOff() {
         return Vehicle.super.turnAlarmOff() + " " + Alarm.super.turnAlarmOff();
     }
+
+    @Override
+    public double getSpeed() {
+        return 0;
+    }
 }

core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Vehicle.java

@@ -19,4 +19,10 @@ public interface Vehicle {
     static int getHorsePower(int rpm, int torque) {
         return (rpm * torque) / 5252;
     }
+
+    double getSpeed();
+
+    default double getSpeedInKMH(double speed) {
+        return speed * 1.60934;
+    }
 }

core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/enums/Pizza.java

@@ -84,5 +84,14 @@ public class Pizza {
             this.setStatus(PizzaStatusEnum.DELIVERED);
         }
     }
+    
+    public int getDeliveryTimeInDays() {
+        switch (status) {
+            case ORDERED: return 5;
+            case READY: return 2;
+            case DELIVERED: return 0;
+        }
+        return 0;
+    }
 
 }

core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/enums/PizzaUnitTest.java

@@ -70,7 +70,7 @@ public class PizzaUnitTest {
     }
 
     @Test
-    public void whenDelivered_thenPizzaGetsDeliveredAndStatusChanges() {
+    public void givenPizaOrder_whenDelivered_thenPizzaGetsDeliveredAndStatusChanges() {
         Pizza pz = new Pizza();
         pz.setStatus(Pizza.PizzaStatusEnum.READY);
         pz.deliver();

core-java-modules/core-java-streams-2/src/main/java/com/baeldung/reduce/entities/Rating.java

@@ -0,0 +1,39 @@
+package com.baeldung.reduce.entities;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Rating {
+
+    double points;
+    List<Review> reviews = new ArrayList<>();
+
+    public Rating() {}
+
+    public void add(Review review) {
+        reviews.add(review);
+        computeRating();
+    }
+
+    private double computeRating() {
+        double totalPoints = reviews.stream().map(Review::getPoints).reduce(0, Integer::sum);
+        this.points = totalPoints / reviews.size();
+        return this.points;
+    }
+
+    public static Rating average(Rating r1, Rating r2) {
+        Rating combined = new Rating();
+        combined.reviews = new ArrayList<>(r1.reviews);
+        combined.reviews.addAll(r2.reviews);
+        combined.computeRating();
+        return combined;
+    }
+
+    public double getPoints() {
+        return points;
+    }
+
+    public List<Review> getReviews() {
+        return reviews;
+    }
+}

core-java-modules/core-java-streams-2/src/main/java/com/baeldung/reduce/entities/Review.java

@@ -0,0 +1,28 @@
+package com.baeldung.reduce.entities;
+
+public class Review {
+
+    int points;
+    String review;
+
+    public Review(int points, String review) {
+        this.points = points;
+        this.review = review;
+    }
+
+    public int getPoints() {
+        return points;
+    }
+
+    public void setPoints(int points) {
+        this.points = points;
+    }
+
+    public String getReview() {
+        return review;
+    }
+
+    public void setReview(String review) {
+        this.review = review;
+    }
+}