Added a Helo World program

helloWorld.java

@@ -0,0 +1,38 @@
+//Java/JavaTutorials/helloWorld.java
+//Matthew Ellison
+// Created: 02-11-19
+//Modified: 02-11-19
+//This is a simple hello world program written in java
+
+import java.util.Scanner;
+
+public class helloWorld{
+	public static void main(String[] argv){
+		String hello = "Hello" + ' ' +  "World";
+		//Print a static string
+		System.out.println("Hello World");
+		//Print a variable string
+		System.out.printf("%s again\n", hello);
+		//Add a number to a string
+		int num = 2;
+		String hello2 = hello;
+		hello2 += ' ';
+		hello2 += num;	//Apparently an automatic conversion is done
+		System.out.println(hello2);
+		//Get input and use it to print a message
+		java.util.Scanner input = new Scanner(System.in);
+		System.out.print("What number do you want to print? ");
+		num = input.nextInt();
+		input.close();
+		hello2 = hello + ' ' + num;
+		System.out.println(hello2);
+	}
+}
+
+/* Results:
+Hello World
+Hello World again
+Hello World 2
+What number do you want to print? 15
+Hello World 15
+*/