Create Automorphic_Number.java

I have added the code for Automorphic number, it has got comments and proper clean code has been written in it!

Automorphic_Number.java

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+/**
+  Automorphic number is a number which of squaring ends with the same number.
+  Example : (25)^2 = 625, 625 ends with 25 so its an Automorphic number
+*/
+
+import java.util.*; // import the classes of the util package
+public class Automorphic_Number {
+  public static boolean isAutomorphic(int n) { // this boolean method checks if a number is automorphic or not
+    String st = (n*n) + ""; // this string stores the square of the number
+    String s = n + ""; // this string stores the number and converts it explicitly
+    return st.endsWith(s); // checking if the square of the number ends with the number itself
+  }
+
+  public static void main(String[] args) { // this is the main() method
+    Scanner in = new Scanner(System.in); // scanner class object creation
+    System.out.println("Enter a number : ");
+    int n = in.nextInt(); // taking a number input from the user
+
+    // checking if the number is automorphic or by invoking the isAutomorphic method!
+    if(isAutomorphic(n))
+      System.out.println("The number is a automorphic number.");
+    else
+      System.out.println("The number is not automorphic number.");
+
+    in.close(); // preventing resource leak!!
+  }
+}