Error when creating a Caesar Cipher Program in Java -

I am trying to create a program that changes 'one' to 'e' to 'd' , 'B', etc. I've written some code and received this error message:

Error: Define the main method as the main method found in class EC1: public static void (String [] Args) or a JavaFX application class. Javafx.application.Application

Here is my code:

  public class EC1 {private string alphabet = "Abcdefghijklmnopqrstuvwxyzabc"; Public string encrypt () {scanner scan2 = new scanner (System.in); System.out.println ("Enter your message"); String pop = scan2 Tosting (); Int key = 3; String code = ""; For (int i = 0; i & lt; poop.length (); i ++) {int a = ALPHABET.indexOf (poop.charAt (i)); Int keyVal = (key + A)% 26; Replace four VAL = this.ALPHABET.charAt (keyVal); Code + = replaceVal; }            return code; }}  

After

JVM searches for the main () system to start execution . If the control starts from there, then you need to add the main () method to your class inside it and call the encrypt () method.

  public static zero main (string [] args) {ec1 obj = new ec1 (); String encrypted_value = obj.encrypt (); }  

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