diff --git a/Main.java b/Main.java
deleted file mode 100644
index 1a68b2dd0a36d3447eed91dc217b0ec3bb12c172..0000000000000000000000000000000000000000
--- a/Main.java
+++ /dev/null
@@ -1,5 +0,0 @@
-class Main {
-  public static void main(String[] args) {
-    System.out.println("Hello world!");
-  }
-}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 420bbe01be9c9edf7f51e48198797278e49033a0..c1edee5d34113b05fdf0021d0529ea92b401df6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,6 +24,8 @@
     </dependency>
   </dependencies>
   <build>
+    <sourceDirectory>src</sourceDirectory>  
+    <outputDirectory>target</outputDirectory> 
     <plugins>
       <plugin>
         <groupId>de.qaware.maven</groupId>
diff --git a/Main.class b/src/com/oginger/Main.class
similarity index 100%
rename from Main.class
rename to src/com/oginger/Main.class
diff --git a/src/com/oginger/Main.java b/src/com/oginger/Main.java
new file mode 100644
index 0000000000000000000000000000000000000000..101fa2ab36ab5a7526a0780f59bb1a836ad411d3
--- /dev/null
+++ b/src/com/oginger/Main.java
@@ -0,0 +1,9 @@
+import com.oginger.javabasetest.BaseTypeTest;
+
+class Main {
+  public static void main(String[] args) {
+    System.out.println("Hello world!");
+    BaseTypeTest bt = new BaseTypeTest();
+    bt.dataTypeTest();
+  }
+}
\ No newline at end of file
diff --git a/src/com/oginger/javabasetest/BaseTypeTest.java b/src/com/oginger/javabasetest/BaseTypeTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..bd899f5fd089e837c08489548e7e95dfee69c8a0
--- /dev/null
+++ b/src/com/oginger/javabasetest/BaseTypeTest.java
@@ -0,0 +1,10 @@
+package com.oginger.javabasetest;
+import java.util.ArrayList;
+
+public class BaseTypeTest {
+    public void dataTypeTest(){
+        ArrayList<E> jList = new ArrayList<E>();
+        jList.add('1');
+        system.out.print(jList(0));
+    }
+}