feat: Add EnergyAwareScheduling new algorithm with Junit tests

DIRECTORY.md

@@ -512,6 +512,7 @@
               * [ScanScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/diskscheduling/ScanScheduling.java)
               * [SSFScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/diskscheduling/SSFScheduling.java)
             * [EDFScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/EDFScheduling.java)
+            * [EnergyAwareScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/EnergyAwareScheduling.java)
             * [FCFSScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/FCFSScheduling.java)
             * [HighestResponseRatioNextScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/HighestResponseRatioNextScheduling.java)
             * [JobSchedulingWithDeadline](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/JobSchedulingWithDeadline.java)
@@ -1063,6 +1064,7 @@
               * [ScanSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/diskscheduling/ScanSchedulingTest.java)
               * [SSFSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/diskscheduling/SSFSchedulingTest.java)
             * [EDFSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/EDFSchedulingTest.java)
+            * [EnergyAwareSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/EnergyAwareSchedulingTest.java)
             * [FCFSSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/FCFSSchedulingTest.java)
             * [HighestResponseRatioNextSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/HighestResponseRatioNextSchedulingTest.java)
             * [JobSchedulingWithDeadlineTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/JobSchedulingWithDeadlineTest.java)

src/main/java/com/thealgorithms/scheduling/EnergyAwareScheduling.java

@@ -0,0 +1,46 @@
+package com.thealgorithms.scheduling;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * EnergyAwareScheduling schedules tasks based on their energy consumption profile,
+ * aiming to minimize the overall energy usage of the system.
+ *
+ * Use Case: Mobile devices, embedded systems, and data centers that need to save power
+ * while maintaining performance.
+ *
+ * @author Hardvan
+ */
+public final class EnergyAwareScheduling {
+
+    static class Task {
+        String name;
+        int energyConsumption;
+
+        Task(String name, int energyConsumption) {
+            this.name = name;
+            this.energyConsumption = energyConsumption;
+        }
+    }
+
+    private final List<Task> tasks;
+
+    public EnergyAwareScheduling() {
+        tasks = new ArrayList<>();
+    }
+
+    public void addTask(String name, int energyConsumption) {
+        tasks.add(new Task(name, energyConsumption));
+    }
+
+    public List<String> scheduleTasks() {
+        tasks.sort(Comparator.comparingInt(t -> t.energyConsumption));
+        List<String> scheduledOrder = new ArrayList<>();
+        for (Task task : tasks) {
+            scheduledOrder.add(task.name);
+        }
+        return scheduledOrder;
+    }
+}

src/test/java/com/thealgorithms/scheduling/EnergyAwareSchedulingTest.java

@@ -0,0 +1,48 @@
+package com.thealgorithms.scheduling;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.List;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class EnergyAwareSchedulingTest {
+
+    private EnergyAwareScheduling scheduler;
+
+    @BeforeEach
+    public void setup() {
+        scheduler = new EnergyAwareScheduling();
+    }
+
+    @Test
+    public void testAddAndScheduleSingleTask() {
+        scheduler.addTask("Task1", 10);
+        List<String> expected = List.of("Task1");
+        assertEquals(expected, scheduler.scheduleTasks());
+    }
+
+    @Test
+    public void testScheduleMultipleTasks() {
+        scheduler.addTask("Task1", 10);
+        scheduler.addTask("Task2", 5);
+        scheduler.addTask("Task3", 15);
+        List<String> expected = List.of("Task2", "Task1", "Task3");
+        assertEquals(expected, scheduler.scheduleTasks());
+    }
+
+    @Test
+    public void testScheduleTasksWithSameConsumption() {
+        scheduler.addTask("Task1", 10);
+        scheduler.addTask("Task2", 10);
+        scheduler.addTask("Task3", 5);
+        List<String> expected = List.of("Task3", "Task1", "Task2");
+        assertEquals(expected, scheduler.scheduleTasks());
+    }
+
+    @Test
+    public void testEmptyScheduler() {
+        List<String> expected = List.of();
+        assertEquals(expected, scheduler.scheduleTasks());
+    }
+}