diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fc60410
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+target
+.idea
+app.iml
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..d0ac2a6
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,32 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>app</groupId>
+    <artifactId>app</artifactId>
+    <packaging>jar</packaging>
+    <version>1</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.2.RELEASE</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git a/src/main/java/app/Calculator.java b/src/main/java/app/Calculator.java
new file mode 100644
index 0000000..aea48e2
--- /dev/null
+++ b/src/main/java/app/Calculator.java
@@ -0,0 +1,6 @@
+package app;
+
+public interface Calculator{
+	public void increment();
+	public double sum();
+}
\ No newline at end of file
diff --git a/src/main/java/app/Fruit.java b/src/main/java/app/Fruit.java
new file mode 100644
index 0000000..59c6004
--- /dev/null
+++ b/src/main/java/app/Fruit.java
@@ -0,0 +1,35 @@
+package app;
+
+public class Fruit implements Calculator{
+
+	int amount;
+	double price;
+	String name;
+	public Fruit(String name, int amount, double price){
+		
+		this.name = name;
+		this.amount = amount;
+		this.price = price;
+	
+	}
+	public void increment(){
+	
+		this.amount = this.amount+1;
+	
+	}
+	public double sum(){
+	
+		return this.amount*price;
+		
+	}
+	public String getName(){
+	
+		return this.name;
+	}
+	public String toString(){
+
+		return "Number of "+name+"s: "+this.amount+". Price for one: "+price+". Sum: "+sum();
+	
+	}
+	
+}
\ No newline at end of file
diff --git a/src/main/java/app/Main.java b/src/main/java/app/Main.java
new file mode 100644
index 0000000..ea3fb37
--- /dev/null
+++ b/src/main/java/app/Main.java
@@ -0,0 +1,50 @@
+package app;
+
+import java.util.*;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@RestController
+public class Main{
+
+
+	Fruit apple = new Fruit("Apple", 1, 3);
+	Fruit banana = new Fruit("Banana", 1, 2);
+	
+	List<Fruit> fruits = new ArrayList<Fruit>(){{
+	add(apple);
+	add(banana);
+	}};
+
+	@RequestMapping("/increment")
+	public String increment(String fruit){
+		
+		for(Fruit f: fruits){
+			if(f.getName().equals(fruit)){
+				f.increment();
+				return f.toString();
+			}
+		}
+		return "error";
+	}
+	
+	@RequestMapping("/sum")
+	public String calculateSum(String fruit){
+		
+		for(Fruit f: fruits){
+			if(f.getName().equals(fruit)){
+				return "Sum: "+f.sum();
+			}
+		}
+		return "Error";
+	}
+	
+	public static void main(String[] args){
+		
+		SpringApplication.run(Main.class, args);
+	
+	}
+}
\ No newline at end of file
diff --git a/src/main/java/app/calculator.java b/src/main/java/app/calculator.java
new file mode 100644
index 0000000..aea48e2
--- /dev/null
+++ b/src/main/java/app/calculator.java
@@ -0,0 +1,6 @@
+package app;
+
+public interface Calculator{
+	public void increment();
+	public double sum();
+}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..839ca75
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1 @@
+server.port = 8080
\ No newline at end of file
diff --git a/src/main/resources/public/home.html b/src/main/resources/public/home.html
new file mode 100644
index 0000000..56615ec
--- /dev/null
+++ b/src/main/resources/public/home.html
@@ -0,0 +1,36 @@
+<html>
+<head> 
+<title>Calculator</title>
+
+	<script>
+        var connection=new XMLHttpRequest();
+        connection.onreadystatechange=receivedData;
+		function increment(){
+			var fruit=document.getElementById("selection").value;
+			connection.open("GET", "/increment?fruit="+fruit, true);
+			connection.send();
+		}
+		function sum(){
+			var fruit=document.getElementById("selection").value;
+			connection.open("GET", "/sum?fruit="+fruit, true);
+			connection.send();
+		}
+        function receivedData(){
+            document.getElementById("response").innerHTML=connection.responseText;
+        }
+	</script> 
+
+</head>
+
+<body>
+
+
+<select id="selection">
+	<option value="Apple">Apple</option>
+	<option value="Banana">Banana</option>
+</select>
+<input type="button" value="Increment" id="increment" onclick="increment()"/>
+<input type="button" value="Sum" id="sum" onclick="sum()" />
+<div id="response"></div>
+</body>
+</html>
\ No newline at end of file