diff --git a/Answers/40230112005/Main.java b/Answers/40230112005/Main.java
new file mode 100644
index 0000000..8e7cfdb
--- /dev/null
+++ b/Answers/40230112005/Main.java
@@ -0,0 +1,183 @@
+import java.util.Objects;
+import java.util.Scanner;
+
+public class Main {
+
+    public static String fullname(String first , String last) {//function to receive full name
+        String firstname = first.toLowerCase();
+        String lastname = last.toLowerCase();
+        char[] f = firstname.toCharArray();
+        char[] l = lastname.toCharArray();
+        f[0] -= 32;
+        l[0] -= 32;
+        String ans = "";
+        for (int i = 0; i < firstname.length(); i++) {
+            ans += f[i];
+        }
+        ans += " ";
+        for (int j = 0; j < last.length(); j++) {
+            ans += l[j];
+        }
+        return ans;
+    }
+
+    public static String  num(){//function to receive number
+        Scanner sc= new Scanner(System.in);
+        System.out.println("Enter Your Phone number: ");
+        String number=sc.nextLine();
+        char[] num= number.toCharArray();
+        String ans="";
+        if(number.length()==10 && num[0]=='9'){
+            return "0"+number;
+        }else if(number.length()==11 && num[0]=='0' && num[1]=='9'){
+            return number;
+        }else{
+            System.out.println("Wrong entry. Try again.");
+            return num();
+        }
+    }
+
+    public static String ID(){//function to receive ID
+        Scanner sc= new Scanner(System.in);
+        System.out.println("Enter Your ID: ");
+        String studentid=sc.nextLine();
+        if(studentid.length()<4  || studentid.length()>14){
+            System.out.println("Wrong entry. Try again.");
+            return ID();
+        }else{
+            return studentid;
+        }
+    }
+
+    public static void intrest(){//function to receive interests
+        String[] iintrest=getarray();
+        System.out.print("{");
+        for(int i=0;i<11;i++){
+            if(!Objects.equals(iintrest[i], "0")) {
+                System.out.print("\"" + iintrest[i] + "\""+",");
+            }
+            if(iintrest[i].equals("1")) {
+                System.out.print("\b\b\b\b\b");
+            }
+        }
+        System.out.print("}");
+    }
+
+    public static String[] getarray(){//function to get array from user/about function to receive interests
+        Scanner sc=new Scanner(System.in);
+        System.out.println("Enter Your Interests; At The End Enter 1.");
+        String[] finalint=new String[11];
+        for(int j=0;j<11;j++){
+            finalint[j]="0";
+        }
+        for (int i=0;i<11;i++){
+            finalint[i]=sc.nextLine();
+            if(finalint[i].equals("1")){
+                break;
+            }
+        }
+        return finalint;
+    }
+
+    public static void info(){//function to show information
+        Scanner scan=new Scanner(System.in);
+        System.out.print("Full name: ");
+        String full= scan.nextLine();
+        String [] fname=full.split(" ",2 );
+        String ffirst=fname[0];
+        String flast=fname[1];
+        String fulll=fullname(ffirst , flast);
+        System.out.print("Phone number: ");
+        String numm=num();
+        System.out.print("User ID: ");
+        String iidd=ID();
+        System.out.print("Interests: ");
+        String[] inter=getarray();
+        System.out.print("Hello! My name is ");
+        System.out.print(fulll);
+        System.out.print(". My ID is ");
+        System.out.print(iidd);
+        System.out.println(". Here are some of my interests:");
+        for(int i=0;i<11;i++){
+            if(!Objects.equals(inter[i], "0") && !Objects.equals(inter[i], "1")) {
+                System.out.println(i + 1 + ". " + inter[i]);
+            }
+        }
+        System.out.print("\nYou can reach me via my phone number ");
+        System.out.print(numm);
+        System.out.println(".");
+    }
+
+    public static String coder(String codee,int shift){//function to decode
+        char[] code=codee.toCharArray();
+        for(int i=0;i<codee.length();i++){
+            if(code[i]>96 && code[i]<123){
+                int i1 = (((int) code[i] + (shift%26)-96) % 26)+96;
+                code[i]= (char) i1;
+            }else if(code[i]>64 && code[i]<91){
+                int i2=(((int)code[i]+(shift%26)-64)%26)+64;
+                code[i]= (char) i2;
+            }
+
+        }
+        String finalcode="";
+        for(int i=0;i<codee.length();i++){
+            finalcode+=code[i];
+        }
+        return finalcode;
+    }
+
+    public static String readable(String code,int shift){//function to make code readable
+        char[] codee=code.toCharArray();
+        for(int i=0;i<code.length();i++){
+            if(codee[i]>96 && codee[i]<123){
+                int i1 = (((int) codee[i] + (26-(shift%26))-97) % 26)+97;
+                codee[i]= (char) i1;
+            }else if(codee[i]<91 && codee[i]>64){
+                int i2 = (((int) codee[i] + (26-(shift%26))-65) % 26)+65;
+                codee[i]= (char) i2;
+            }
+        }
+        String finalcode="";
+        for(int i=0;i<code.length();i++){
+            finalcode+=codee[i];
+        }
+        return finalcode;
+    }
+
+
+
+    public static void main(String[] args){
+        //function to receive full name
+        /*Scanner sc= new Scanner(System.in);
+        System.out.println("Enter Your First name: ");
+        String first=sc.nextLine();
+        System.out.println("Enter Your Last name: ");
+        String last=sc.nextLine();
+        System.out.println(fullname(first , last));*/
+
+        //function to receive number
+       /*ystem.out.println(num());*/
+
+        //function to receive ID
+       /* System.out.println(ID());*/
+
+        //function to receive interests
+       /* intrest();*/
+
+        //function to show info
+       /* info();*/
+
+        //function to decode
+       /* Scanner sc=new Scanner(System.in);
+        String code=sc.nextLine();
+        int shift=sc.nextInt();
+        System.out.println(coder(code,shift));*/
+
+        //function to make code readable
+       /* Scanner sc=new Scanner(System.in);
+        String code=sc.nextLine();
+        int shift=sc.nextInt();
+        System.out.println(readable(code , shift));*/
+    }
+}
\ No newline at end of file