diff --git a/maven1/pom.xml b/maven1/pom.xml
new file mode 100644
index 0000000..25c191d
--- /dev/null
+++ b/maven1/pom.xml
@@ -0,0 +1,17 @@
+<?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>maven1</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>25</maven.compiler.source>
+        <maven.compiler.target>25</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/w3/src/w3test1.java b/w3/src/w3test1.java
new file mode 100644
index 0000000..188ab9a
--- /dev/null
+++ b/w3/src/w3test1.java
@@ -0,0 +1,9 @@
+/*
+ * @Author: your name
+ * 这就是新创建的JAVA 文件
+ */
+public class w3test1 {
+    static void main() {
+
+    }
+}
diff --git a/w4/main4.java b/w4/main4.java
new file mode 100644
index 0000000..e69de29