diff --git a/untitled/pom.xml b/untitled/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fee12c0d95bff9a01e2c5295f677740d7c8ddb0e
--- /dev/null
+++ b/untitled/pom.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>untitled</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/untitled/src/main/java/HelloWorld.java b/untitled/src/main/java/HelloWorld.java
new file mode 100644
index 0000000000000000000000000000000000000000..ade3295c435844da42b4e3d7cb0f4a22ed97ba9f
--- /dev/null
+++ b/untitled/src/main/java/HelloWorld.java
@@ -0,0 +1,8 @@
+public class HelloWorld {
+    public static void main(String[] args) {
+//        System.out.println("hello world");
+    }
+    public static int sum(int m,int n){
+        return m+n;
+    }
+}
diff --git a/untitled/src/test/java/HelloWorldTest.java b/untitled/src/test/java/HelloWorldTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..d8ae4a5bc1697b39885c4a0269972c9077cfa222
--- /dev/null
+++ b/untitled/src/test/java/HelloWorldTest.java
@@ -0,0 +1,12 @@
+import org.junit.jupiter.api.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.*;
+
+class HelloWorldTest {
+
+    @Test
+    void sum() {
+        assertEquals(2,HelloWorld.sum(1,1));
+    }
+}
\ No newline at end of file