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- please help me with this question, thank you!Java script6.9 LAB: All permutations of names Write a program that lists all ways people can line up for a photo (all permutations of a list of Strings). The program will read a list of one word names (until -1), and use a recursive method to create and output all possible orderings of those names, one ordering per line. When the input is: Julia Lucas Mia -1 then the output is (must match the below ordering): Julia Lucas Mia Julia Mia Lucas Lucas Julia Mia Lucas Mia Julia Mia Julia Lucas Mia Lucas Julia import java.util.Scanner;import java.util.ArrayList; public class PhotoLineups { // TODO: Write method to create and output all permutations of the list of names.public static void allPermutations(ArrayList<String> permList, ArrayList<String> nameList) {} public static void main(String[] args) {Scanner scnr = new Scanner(System.in);ArrayList<String> nameList = new ArrayList<String>();ArrayList<String> permList = new ArrayList<String>();String name;//…
- 6.34 LAB: Contact list C++ A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input an integer N that represents the number of word pairs in the list to follow. Word pairs consist of a name and a phone number (both strings). That list is followed by a name, and your program should output the phone number associated with that name. Ex: If the input is: 3 Joe 123-5432 Linda 983-4123 Frank 867-5309 Frank the output is: 867-5309 Your program must define and call the following function. The return value of GetPhoneNumber is the phone number associated with the specific contact name.string GetPhoneNumber(vector<string> nameVec, vector<string> phoneNumberVec, string contactName) Hint: Use two vectors: One for the string names, and the other for the string phone numbers.Solve the Problem in C++ (invalid_argument )Listing 6.18 gives the hex2Dec(const string & hexString) function that returns a decimal number from a hex string. Implement the hex2Dec function to throw a invalid_argument exception if the string is not a hex string.Write a test program that prompts the user to enter a hex number as a string and display the number in decimal. If the function throws an exception, display "Not a hex number".** in java language **