hello

helloworld.java

@@ -0,0 +1,13 @@
+import java.util.Scanner;
+import java.util.ArrayList ;
+import java.util.List ;
+
+public class helloworld
+{
+
+
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.println("hello world !");
+    }
+}