Added 15 solutions

Java/Introduction/Java End-of-file/Solution.java

@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class Solution {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        int i = 1;
+        while (scan.hasNextLine()) { 
+            System.out.println(i + " " + scan.nextLine());
+            i++;
+        }
+    }
+}