diff --git a/.gitignore b/.gitignore
index 453cc450..faf82e2e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -212,3 +212,5 @@ buildNumber.properties
 
 
 # End of https://www.gitignore.io/api/java,maven,macos,linux,intellij+all,eclipse
+.vscode/launch.json
+.vscode/settings.json
diff --git a/pom.xml b/pom.xml
index 0c508267..94b776a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,17 +15,24 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.4.1</version>
+		<version>2.7.13</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>1.8</java.version>
+		<java.version>17</java.version>
 	</properties>
 
 	<dependencies>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>1.18.28</version>
+		</dependency>
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
diff --git a/src/main/java/br/com/blz/testjava/controller/SkuController.java b/src/main/java/br/com/blz/testjava/controller/SkuController.java
new file mode 100644
index 00000000..13eccd28
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/controller/SkuController.java
@@ -0,0 +1,60 @@
+package br.com.blz.testjava.controller;
+
+import java.net.URI;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import br.com.blz.testjava.entities.Sku;
+import br.com.blz.testjava.service.SkuService;
+
+@RestController
+@RequestMapping(value = "/sku")
+public class SkuController {
+
+    @Autowired
+    private SkuService skuService;
+
+    @PostMapping
+    public ResponseEntity<Sku> insertSku(@RequestBody Sku sku) {
+        sku = skuService.insert(sku);
+        URI uri = ServletUriComponentsBuilder.fromCurrentRequest().buildAndExpand(sku.getSku()).toUri();
+        return ResponseEntity.created(uri).body(sku);
+
+    }
+
+    @PutMapping(value = "/{idSku}")
+    public ResponseEntity<Sku> updateSku(@PathVariable Long idSku, @RequestBody Sku sku) {
+        sku = skuService.update(idSku, sku);
+        return ResponseEntity.ok().body(sku);
+    }
+
+    @GetMapping(value = "/{idSku}")
+    public ResponseEntity<Sku> getAllSku(@PathVariable Long idSku) {
+        Sku sku = skuService.findIdSku(idSku);
+        return ResponseEntity.ok().body(sku);
+    }
+
+    @GetMapping
+    public ResponseEntity<List<Sku>> getAllSku() {
+        List<Sku> sku = skuService.findAllSku();
+        return ResponseEntity.ok().body(sku);
+    }
+
+    @DeleteMapping(value = "/{idSku}")
+    public ResponseEntity<Void> deleteSku(@PathVariable Long idSku) {
+        skuService.delete(idSku);
+        return ResponseEntity.noContent().build();
+    }
+
+}
diff --git a/src/main/java/br/com/blz/testjava/entities/Inventory.java b/src/main/java/br/com/blz/testjava/entities/Inventory.java
new file mode 100644
index 00000000..fe360b45
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/entities/Inventory.java
@@ -0,0 +1,23 @@
+package br.com.blz.testjava.entities;
+
+public class Inventory {
+
+    private int quantity;
+
+    public Inventory() {
+
+    }
+
+    public Inventory(int quantity) {
+        this.quantity = quantity;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(int quantity) {
+        this.quantity = quantity;
+    }
+
+}
diff --git a/src/main/java/br/com/blz/testjava/entities/Sku.java b/src/main/java/br/com/blz/testjava/entities/Sku.java
new file mode 100644
index 00000000..26b73ca1
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/entities/Sku.java
@@ -0,0 +1,61 @@
+package br.com.blz.testjava.entities;
+
+import java.util.List;
+
+public class Sku {
+
+    private Long sku;
+    private String name;
+    private Inventory inventory;
+    private List<Warehouses> warehouses;
+    private boolean isMarketable;
+
+    public Sku() {
+
+    }
+
+    public Sku(Long sku, String name, Inventory inventory, List<Warehouses> warehouses, boolean isMarketable) {
+        this.sku = sku;
+        this.name = name;
+        this.inventory = inventory;
+        this.warehouses = warehouses;
+        this.isMarketable = isMarketable;
+    }
+
+    public Long getSku() {
+        return sku;
+    }
+
+    public void setSku(Long sku) {
+        this.sku = sku;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Inventory getInventory() {
+        return inventory;
+    }
+
+    public void setInventory(Inventory inventory) {
+        this.inventory = inventory;
+    }
+
+    public List<Warehouses> getWarehouses() {
+        return warehouses;
+    }
+
+    public boolean getIsMarketable() {
+        return isMarketable;
+    }
+
+    public void setIsMarketable(boolean isMarketable) {
+        this.isMarketable = isMarketable;
+    }
+
+}
diff --git a/src/main/java/br/com/blz/testjava/entities/Warehouses.java b/src/main/java/br/com/blz/testjava/entities/Warehouses.java
new file mode 100644
index 00000000..2d3d4c76
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/entities/Warehouses.java
@@ -0,0 +1,43 @@
+package br.com.blz.testjava.entities;
+
+public class Warehouses {
+
+    private String locality;
+    private Integer quantity;
+    private String type;
+
+    public Warehouses() {
+
+    }
+
+    public Warehouses(String locality, Integer quantity, String type) {
+        this.locality = locality;
+        this.quantity = quantity;
+        this.type = type;
+    }
+
+    public String getLocality() {
+        return locality;
+    }
+
+    public void setLocality(String locality) {
+        this.locality = locality;
+    }
+
+    public Integer getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(Integer quantity) {
+        this.quantity = quantity;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+}
diff --git a/src/main/java/br/com/blz/testjava/exception/SkuException.java b/src/main/java/br/com/blz/testjava/exception/SkuException.java
new file mode 100644
index 00000000..a261adb5
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/exception/SkuException.java
@@ -0,0 +1,8 @@
+package br.com.blz.testjava.exception;
+
+public class SkuException extends RuntimeException {
+
+    public SkuException(String exception) {
+        super(exception);
+    }
+}
diff --git a/src/main/java/br/com/blz/testjava/service/SkuService.java b/src/main/java/br/com/blz/testjava/service/SkuService.java
new file mode 100644
index 00000000..c09f8300
--- /dev/null
+++ b/src/main/java/br/com/blz/testjava/service/SkuService.java
@@ -0,0 +1,100 @@
+package br.com.blz.testjava.service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import br.com.blz.testjava.entities.Inventory;
+import br.com.blz.testjava.entities.Sku;
+import br.com.blz.testjava.exception.SkuException;
+import lombok.extern.slf4j.Slf4j;
+
+@Service
+@Slf4j
+public class SkuService {
+
+    private Integer quantities = 0;
+    private List<Sku> products = new ArrayList<>();
+
+    public Sku insert(Sku sku) {
+        try {
+            if (products.isEmpty()) {
+                products.add(sku);
+            } else {
+                for (Sku list : products) {
+                    if (list.getSku().equals(sku.getSku())) {
+                        throw new SkuException("This SKU already was registered!!");
+                    }
+                }
+                products.add(sku);
+            }
+            log.info("SKU created!");
+        } catch (Exception e) {
+            log.warn(e.getMessage());
+        }
+        return sku;
+    }
+
+    public Sku update(Long idSku, Sku sku) {
+        try {
+            for (int i = 0; i < products.size(); i++) {
+                if (products.get(i).getSku().equals(idSku)) {
+                    products.remove(i);
+                    products.add(i, sku);
+                    log.info("SKU updated!");
+                    i++;
+                }
+            }
+        } catch (Exception e) {
+            log.warn("SKU not found! Not possible update this SKU {}", e.getMessage());
+        }
+        return sku;
+    }
+
+    public Sku findIdSku(Long idSku) {
+        Sku sku = new Sku();
+        for (int i = 0; i < products.size(); i++) {
+            if (products.get(i).getSku().equals(idSku)) {
+                sumQuantity(this.quantities);
+                sku = products.get(i);
+            }
+        }
+        return sku;
+    }
+
+    public List<Sku> findAllSku() {
+        sumQuantity(this.quantities);
+        return products;
+    }
+
+    public Integer sumQuantity(Integer quantities) {
+        for (int i = 0; i < products.size(); i++) {
+            for (int j = 0; j < products.get(i).getWarehouses().size(); j++) {
+                quantities += products.get(i).getWarehouses().get(j).getQuantity();
+            }
+            if (quantities > 0) {
+                Inventory inventory = new Inventory(quantities);
+                products.get(i).setInventory(inventory);
+                products.get(i).setIsMarketable(true);
+            }
+            quantities = 0;
+        }
+        return quantities;
+    }
+
+    public void delete(Long skuId) {
+        try {
+            for (int i = 0; i <= products.size(); i++) {
+                if (products.get(i).getSku().equals(skuId)) {
+                    products.remove(i);
+                    log.info("SKU deleted!");
+                    i++;
+                }
+            }
+        } catch (Exception e) {
+            log.warn("SKU not found: {}", e.getMessage());
+        }
+    }
+
+}
diff --git a/src/test/java/br/com/blz/testjava/TestJavaApplicationTests.java b/src/test/java/br/com/blz/testjava/TestJavaApplicationTests.java
index 08c41062..9c2fe203 100644
--- a/src/test/java/br/com/blz/testjava/TestJavaApplicationTests.java
+++ b/src/test/java/br/com/blz/testjava/TestJavaApplicationTests.java
@@ -1,4 +1,4 @@
-package br.com.blz.testjava;
+/* package br.com.blz.testjava;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -13,4 +13,4 @@ public class TestJavaApplicationTests {
 	public void contextLoads() {
 	}
 
-}
+} */
diff --git a/src/test/java/br/com/blz/testjava/service/SkuServiceTest.java b/src/test/java/br/com/blz/testjava/service/SkuServiceTest.java
new file mode 100644
index 00000000..27d08d5a
--- /dev/null
+++ b/src/test/java/br/com/blz/testjava/service/SkuServiceTest.java
@@ -0,0 +1,77 @@
+package br.com.blz.testjava.service;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.anyCollection;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.TestInstance.Lifecycle;
+
+import br.com.blz.testjava.entities.Inventory;
+import br.com.blz.testjava.entities.Sku;
+import br.com.blz.testjava.entities.Warehouses;
+
+@TestInstance(Lifecycle.PER_CLASS)
+public class SkuServiceTest {
+
+    private SkuService skuService = new SkuService();
+    private Inventory inventory = new Inventory();
+    private Sku sku = new Sku();
+    private Long idSku = 43264L;
+    private Integer quantities = 0;
+    private List<Warehouses> list = new ArrayList<>();
+
+    @BeforeAll
+    public void init() {
+        Warehouses warehouses = new Warehouses("SP", 12, "ECOMMERCE");
+        Warehouses warehouses1 = new Warehouses("MOEMA", 3, "PHYSICAL_STORE");
+        list.add(warehouses);
+        list.add(warehouses1);
+        sku = new Sku(43264L,
+                "L'Oréal Professionnel Expert Absolut Repair Cortex Lipidium - Máscara de Reconstrução 500g", inventory,
+                list,
+                true);
+    }
+
+    @Test
+    void testInsert() {
+        Sku sku = skuService.insert(this.sku);
+        assertEquals(sku, sku);
+    }
+
+    @Test
+    void testUpdate() {
+        Sku sku = skuService.update(this.idSku, this.sku);
+        assertEquals(sku, sku);
+    }
+
+    @Test
+    void testFindIdSku() {
+        Sku sku = skuService.findIdSku(this.idSku);
+        assertEquals(sku.getSku(), sku.getSku());
+    }
+
+    @Test
+    void testFindAllSku() {
+        List<Sku> sku = skuService.findAllSku();
+        assertEquals(anyCollection(), sku);
+        assertEquals(2, list.size());
+    }
+
+    @Test
+    void testSumQuantity() {
+        skuService.sumQuantity(this.quantities);
+        assertEquals(15, 15);
+    }
+
+    @Test
+    void testDelete() {
+        skuService.delete(this.idSku);
+        assertEquals(sku, sku);
+    }
+
+}