add intelliJ project

.idea/WS-01-intro-to-oop.iml

@@ -2,7 +2,9 @@
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2">
+  <component name="ProjectRootManager" version="2" project-jdk-name="25" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/ClassExamples/Example01.java

@@ -0,0 +1,9 @@
+package ClassExamples;
+
+public class Example01
+{
+    public static void main(String[] args)
+    {
+        System.out.println("Hi!");
+    }
+}