project is done by Arshia

Answers/40230112117/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

Answers/40230112117/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>SecondProject</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

Answers/40230112117/src/main/java/Functions.java

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+import java.util.Scanner;
+import java.util.ArrayList;
+
+public class Functions {
+    public static int shift;
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String output = informationEncoder(userFullinformation());
+        System.out.println(output);
+        System.out.println("Do you want see original information? (press y) else (press n). ");
+        char a = sc.next().charAt(0);
+        if (a == 'y'){
+        System.out.println(informationDecoder(output));
+        }
+    }
+
+    public static String fullName(){
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Please enter your first name: ");
+        String firstName = sc.nextLine();
+        System.out.println("Please enter your last name: ");
+        String lastName = sc.nextLine();
+
+        String fs = firstName.toLowerCase();
+        String ls = lastName.toLowerCase();
+        String fc = fs.substring(0,1).toUpperCase() + fs.substring(1);
+        String lc = ls.substring(0,1).toUpperCase() + ls.substring(1);
+        String output = fc + " " + lc;
+        return output;
+    }
+    //avalin commit
+    public static String phonenumber(){
+        Scanner sc = new Scanner(System.in);
+        String phone;
+        while (true) {
+            System.out.println("Please enter your phone number: ");
+            phone = sc.nextLine();
+            if (phone.length() > 10  ||  !phone.startsWith("9")) {
+                System.out.println("Wrong entry. Try again.");
+                continue;
+            }
+            break;
+        }
+            String output = "0" + phone;
+        return output;
+    }
+    //commit 2
+    public static String userid(){
+        Scanner sc = new Scanner(System.in);
+        String id ;
+        while (true) {
+            System.out.println("Please enter your id: ");
+            id = sc.nextLine();
+            char[] characters = id.toCharArray();
+            boolean format = false;
+            for (int i=0; i<characters.length; i++){
+                if ( (int)characters[i] < 48 || (int)characters[i] > 57 ){
+                    format = true;
+                    break;
+                }
+            }
+            if (id.length() < 4 || id.length() > 13 || format) {
+                System.out.println("invalid format! please try again. ");
+                continue;
+            }
+            break;
+        }
+        return id;
+    }
+    public static String getinterests(){
+            Scanner sc = new Scanner(System.in);
+            ArrayList<String> interests = new ArrayList<>();
+            String input;
+            System.out.println("Please enter your interests then enter 'esc':");
+
+            while (interests.size() < 10) {
+                input = sc.nextLine();
+                if ("esc".equals(input)) {
+                    break;
+                }
+                interests.add(input);
+                // when 10 interests added method stops
+                if (interests.size() == 10) {
+                    System.out.println("Maximum of interests added!");
+                    break;
+                }
+            }
+            // in commit 6 im showing interests in another way
+            // Create a formatted string of interests
+            StringBuilder output = new StringBuilder();
+            for (int i = 0; i < interests.size(); i++) {
+                output.append(i + 1).append(". ").append(interests.get(i));
+                // Add a new line after each interest except the last one
+                if (i != interests.size() - 1) {
+                    output.append("\n");
+                }
+            }
+            return output.toString();
+        }
+            // commit 4
+
+    public static String userFullinformation() {
+        String x = "Hello! My name is " + fullName() + ".";
+        x += " My ID is " + userid() + ".";
+        x += " Here are some of my interests:";
+        String y = getinterests();
+        String z = phonenumber();
+        String fullInfo = x + "\n" + y + "\n\n" + "You can reach me via my phone number " + z + ".";
+        return fullInfo;
+    }
+
+    // commit 5
+
+    public static String informationEncoder(String sentence) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Please enter amount of shift: ");
+        shift = sc.nextInt();
+        StringBuilder encoded = new StringBuilder();
+        char[] letter = sentence.toCharArray();
+        for (int i = 0; i < letter.length; i++) {
+            if ((int) letter[i] > 64 && (int) letter[i] < 91) {
+                letter[i] = (char) ((((int) letter[i] - 65 + shift) % 26) + 65);
+            } else if ((int) letter[i] > 96 && (int) letter[i] < 123) {
+                letter[i] = (char) ((((int) letter[i] - 97 + shift) % 26) + 97);
+            }
+            encoded.append(letter[i]);
+        }
+        return encoded.toString();
+    }
+    // commmit 7
+    public static String informationDecoder(String encodedSentence) {
+        Scanner sc = new Scanner(System.in);
+        //bray inke agar shift>26 ono biarim zir 26
+        shift = shift%26;
+
+        char[] letter = encodedSentence.toCharArray();
+        StringBuilder decoded = new StringBuilder();
+        for (int i = 0; i < letter.length; i++) {
+            if ((int) letter[i] > 64 && (int) letter[i] < 91) {
+                letter[i] = (char) ((((int) letter[i] - 65 - shift + 26) % 26) + 65);
+            } else if ((int) letter[i] > 96 && (int) letter[i] < 123) {
+                letter[i] = (char) ((((int) letter[i] - 97 - shift + 26) % 26) + 97);
+            }
+            decoded.append(letter[i]);
+        }
+        return decoded.toString();
+    }
+    //commit 8
+}
+
+
+