Added comments to the code

Author: Madhavan7

src/main/java/screens/user_registration_screen/UserVerificationScreen.java

@@ -4,7 +4,10 @@
 import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-
+/**
+ * This is the class that is responsible for retrieving the verification code form the user, or presenting if
+ * verification is not possible
+ * */
 public class UserVerificationScreen implements UserExistsOutputBoundary, ActionListener {
     private final JTextField verText = new JTextField(20);
     private final UserVerificationInputBoundary verificationInputBoundary;
@@ -16,7 +19,9 @@ public class UserVerificationScreen implements UserExistsOutputBoundary, ActionL
     public UserVerificationScreen(UserVerificationInputBoundary verificationInputBoundary){
         this.verificationInputBoundary = verificationInputBoundary;
     }
-
+    /**
+     * This method asks for the code from the user
+     * */
     @Override
     public void getVerificationCredentials() {
         JFrame verificationFrame = new JFrame();
@@ -39,7 +44,9 @@ public void getVerificationCredentials() {
         verificationPanel.add(verifyButton);
         verificationFrame.setVisible(true);
     }
-
+    /**
+     * This method presents that verification is not possible, because the user exists in the database
+     * */
     @Override
     public void presentUserExistsMessage() {
         JFrame userExistsFrame = new JFrame();
@@ -54,12 +61,19 @@ public void presentUserExistsMessage() {
         userExistsPanel.add(accountExists);
         userExistsFrame.setVisible(true);
     }
-
+    /**
+     * Retrieves code from the input boundary, to set the code onto the other input boundary in the constructor
+     * @param code verification code
+     * */
     @Override
     public void getCode(int code) {
         this.code = code;
     }
 
+    /**
+     * Retrieves user credentials from the input boundary, in order to set the credentials onto the other input
+     * boundary in the constructor
+     * */
     @Override
     public void getUserCredentials(String username, String password, String email) {
         this.username = username;

src/main/java/use_cases/user_registration_use_cases/UserVerificationInteractor.java

@@ -16,7 +16,11 @@ public UserVerificationInteractor(Database database, UserVerificationOutputBound
         this.database = database;
         this.verificationOutputBoundary = verificationOutputBoundary;
     }
-
+    /**
+     * Compares code with this.code, if they match, the program will proceed to ask for login credentials
+     * Else, it will present a message that verification is not possible
+     * @param code code inputted by the user
+     * */
     @Override
     public void verify(int code) {
         System.out.println(this.code);
@@ -28,12 +32,16 @@ public void verify(int code) {
         }
 
     }
-
+    /**
+     * Sets the code to compare for verification
+     * @param code verification code*/
     @Override
     public void setCode(int code) {
         this.code = code;
     }
-
+    /**
+     * Sets the user credentials for this object
+     * */
     public void setCredentials(String username, String password, String email){
         this.username = username;
         this.password = password;