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diff --git a/Answers/.DS_Store b/Answers/.DS_Store
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diff --git a/Answers/40230112089/.gitignore b/Answers/40230112089/.gitignore
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+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
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diff --git a/Answers/40230112089/.idea/misc.xml b/Answers/40230112089/.idea/misc.xml
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diff --git a/Answers/40230112089/.idea/modules.xml b/Answers/40230112089/.idea/modules.xml
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diff --git a/Answers/40230112089/.idea/vcs.xml b/Answers/40230112089/.idea/vcs.xml
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diff --git a/Answers/40230112089/.idea/workspace.xml b/Answers/40230112089/.idea/workspace.xml
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diff --git a/Answers/40230112089/Tamrin2.iml b/Answers/40230112089/Tamrin2.iml
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diff --git a/Answers/40230112089/src/Functions.java b/Answers/40230112089/src/Functions.java
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+++ b/Answers/40230112089/src/Functions.java
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+import java.util.ArrayList;
+import java.util.regex.Pattern;
+
+public class Functions {
+
+
+ public String fullName(String fName, String lName) {
+ String resultFName = fName.substring(0, 1).toUpperCase() + fName.substring(1).toLowerCase();
+ String resultLName = lName.substring(0, 1).toUpperCase() + lName.substring(1).toLowerCase();
+
+
+ return resultFName + ' ' + resultLName;
+ }
+
+ public String phoneNumber(String phone) {
+ char characterAtIndex0 = phone.charAt(0);
+ int phoneSize = phone.length();
+ if (characterAtIndex0 == '9' && phoneSize == 10 && phone.matches("[0-9]+")) {
+ return '0' + phone;
+ } else {
+ return "Wrong entry. Try again.";
+ }
+ }
+
+ public String userId(String id) {
+ int idSize = id.length();
+
+ if (idSize >= 4 && idSize <= 13 && id.matches("[0-9]+")) {
+ return id;
+ } else {
+ return "Wrong entry. Try again.";
+ }
+
+ }
+
+ public StringBuilder getInterests(ArrayList interests) {
+
+ StringBuilder result4 = new StringBuilder();
+ result4.append('{');
+ for (int i = 0; i < interests.size(); i++) {
+ result4.append('"').append(interests.get(i)).append('"');
+ if (i != interests.size() - 1) {
+ result4.append(", ");
+ }
+ }
+ result4.append('}');
+ return result4;
+ }
+
+ public StringBuilder userFullInformation(String fullName, String phoneNumber, String userID, ArrayList interests) {
+ StringBuilder userFullInformation =new StringBuilder();
+ userFullInformation.append(" Hello! My name is " + fullName + ". My ID is " + userID + ". Here are some of my interests:\n");
+ for (int i = 0; i < interests.size(); i++) {
+ userFullInformation.append(i + 1 + ". " + interests.get(i) + "\n");
+ }
+ userFullInformation.append("You can reach me via my phone number " + phoneNumber + ".");
+ return userFullInformation;
+ }
+
+ public String informationEncoder(String information, int shift) {
+ StringBuilder newString = new StringBuilder();
+ for (int i = 0; i < information.length(); i++) {
+ if (information.charAt(i) > 96 && information.charAt(i) < 123) { //اگر حروف کوچک بود
+ if (information.charAt(i) + shift < 123) {
+ char newChar = (char) (information.charAt(i) + shift);
+ newString.append(newChar);
+ } else {
+ char newChar = (char) (96 + ((information.charAt(i) + shift) - 122));
+ newString.append(newChar);
+ }
+ } else if (information.charAt(i) > 64 && information.charAt(i) < 91) {
+ if (information.charAt(i) + shift < 91) {
+ char newChar = (char) (information.charAt(i) + shift);
+ newString.append(newChar);
+ } else {
+ char newChar = (char) (64 + ((information.charAt(i) + shift) - 90));
+ newString.append(newChar);
+ }
+ } else {
+ newString.append(information.charAt(i));
+ }
+
+ }
+ return newString.toString();
+ }
+
+
+ public String informationDecoder(String information , int shift){
+ StringBuilder newString = new StringBuilder();
+ for (int i = 0; i < information.length(); i++) {
+ if (information.charAt(i) > 96 && information.charAt(i) < 123) { //اگر حروف کوچک بود
+ if (information.charAt(i) - shift >96) {
+ char newChar = (char) (information.charAt(i) - shift);
+ newString.append(newChar);
+ } else {
+ char newChar = (char) (123 + ((information.charAt(i) - shift) - 97));
+ newString.append(newChar);
+ }
+ } else if (information.charAt(i) > 64 && information.charAt(i) < 91) {
+ if (information.charAt(i) - shift >64) {
+ char newChar = (char) (information.charAt(i) - shift);
+ newString.append(newChar);
+ } else {
+ char newChar = (char) (91 + ((information.charAt(i) - shift) - 65));
+ newString.append(newChar);
+ }
+ } else {
+ newString.append(information.charAt(i));
+ }
+
+ }
+ return newString.toString();
+ }
+ }
+
diff --git a/Answers/40230112089/src/Main.java b/Answers/40230112089/src/Main.java
new file mode 100644
index 0000000..409d6aa
--- /dev/null
+++ b/Answers/40230112089/src/Main.java
@@ -0,0 +1,128 @@
+import java.net.SocketTimeoutException;
+import java.util.Scanner;
+import java.util.ArrayList;
+
+// Press ⇧ twice to open the Search Everywhere dialog and type `show whitespaces`,
+// then press Enter. You can now see whitespace characters in your code.
+public class Main {
+
+ public static void main(String[] args) {
+ Scanner scStr = new Scanner(System.in);
+ Scanner scInt = new Scanner(System.in);
+
+
+
+
+ System.out.println("Please enter your first name:");
+ String fName = scStr.nextLine();
+ System.out.println("Please enter your last name:");
+ String lName = scStr.nextLine();
+
+ Functions functions = new Functions();
+
+ String userFullName = functions.fullName(fName, lName);
+ System.out.println(userFullName);
+
+
+ System.out.println("Please enter your phone number:");
+
+ boolean invalid =true;
+ String userPhoneNumber = "";
+ while(invalid) {
+ String phoneNumber = scInt.nextLine();
+ userPhoneNumber = functions.phoneNumber(phoneNumber);
+ System.out.println(userPhoneNumber);
+ if (userPhoneNumber !="Wrong entry. Try again."){
+ invalid = false;
+ }
+ }
+
+
+
+
+ System.out.println("Please Enter your student ID:");
+ invalid =true;
+
+ String userId ="";
+ while(invalid) {
+ String id = scStr.nextLine();
+
+ userId = functions.userId(id);
+ System.out.println(userId);
+ if (userId !="Wrong entry. Try again."){
+ invalid = false;
+ }
+ }
+
+
+
+ System.out.println("Please enter some of your interests: \n(the maximum number of your interests can be 10 and press an extra ENTER button to finish.)");
+
+ ArrayList interests = new ArrayList<>();
+ for (int i=0;i<10;i++){
+ String interest = scStr.nextLine();
+ if (interest.isEmpty()){
+ break;
+ }
+ else{
+ interests.add(interest);
+ }
+
+ }
+ StringBuilder userInterests = functions.getInterests(interests) ;
+ System.out.println(userInterests);
+
+
+ StringBuilder userFullInformation = functions.userFullInformation(userFullName, userPhoneNumber, userId, interests);
+
+
+
+
+
+ System.out.println("Please enter information for encode: ");
+ String Information1 = scStr.nextLine();
+ System.out.println("Please enter the number of shifts:");
+ int shift1 = scInt.nextInt();
+
+ String informationEncoder = functions.informationEncoder(Information1 , shift1);
+ System.out.println(informationEncoder);
+
+
+
+ System.out.println("Please enter encode information to decode: ");
+ String Information2 = scStr.nextLine();
+ System.out.println("Please enter the number of shifts:");
+ int shift2 = scInt.nextInt();
+
+ String informationDecoder = functions.informationDecoder(Information2 , shift2);
+ System.out.println(informationDecoder);
+
+
+ String encodedInformation = functions.informationEncoder(userFullInformation.toString() , 3);
+ while (true){
+ System.out.println("Please select an option :");
+ System.out.println("1. show encoded information");
+ System.out.println("2. show decoded information");
+ System.out.println("3. exit");
+ String choice = scStr.nextLine();
+ switch (choice){
+ case "1" :
+ System.out.println(encodedInformation);
+ break;
+ case "2" :
+ System.out.println(functions.informationDecoder(encodedInformation , 3));
+ break;
+ case "3" :
+ System.out.println("Bye :)");
+ System.exit(0);
+ break;
+ default:
+ System.exit(0);
+ }
+ }
+
+
+ }
+
+
+}
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