hello world Programm

prog 3.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/HelloWorld.java

+public class HelloWorld {
+
+    public static void main(String[] args) {
+        System.out.println("Hello world");
+
+        for (String s : args) {
+            System.out.println(s);
+        }
+
+    }
+}