Question

Question 1:

   * - Print out the welcome message: "Welcome to this choose your own adventure system!"

   * - Begin the play again loop:

   * - Prompt for a filename using the promptString method with the prompt:

   * "Please enter the story filename: "

   * - Prompt for a char using the promptChar method with the prompt:

   * "Do you want to try again? "

   * - Repeat until the character returned by promptChar is an 'n'

   * - Print out "Thank you for playing!", terminated by a newline.

public static void main(String[] args) {

  

}

}

Question 2:

Prints out a line of characters to System.out. The line should be terminated by a new line.

   *

   * @param len The number of times to print out c.

   * @param c The character to print out.

public static void printLine(int len, char c) {

}

Answer 1

Question 1)

import java.util.*;
import java.io.*;

public class Main {

    static Scanner sc= new Scanner(System.in);

    // promptString method
    public static void promptString()
    {


        System.out.println("Please enter the story filename");
    }


    // promptchar method
    public static char  promptchar ()throws Exception
    {
        System.out.println("Do you want to try again? ");
        char ch = (char) System.in.read();
        return ch;

    }
    public static void main (String args[])  throws Exception{

        System.out.println("Welcome to this choose your own adventure system!");



        char ch='y';

        while(ch!='n')
        {

              // method call to promptString to print string
            promptString();
         // read char
          ch =promptchar();




        }
        // print thank you message
        System.out.println("Thank you for playing!");
    }

}

Sample Run:

sample [CUsers'darshiDesktopyHomeworkLibsample] - srcMain.java [sample] Intelliu IDEA Eie Edit צ¡ew Navigate gode Analyze Befactor Build Run lools VCs window Help sampleSrc Main Run: Main ::\Program Files\Java\jdk 18.6.2(bin\java.exe" " Welcome to this choose your own adventure system! Please enter the story filename javaagent :C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2018.2\lib\idea-rt.jar-5259 Do you want to try again? Please enter the story filename Do you want to try again? Please enter the story filename Do you want to try again? Please enter the story filename Do you want to try again? Please enter the story fiLename Do you want to try again? Thank you for playing! Process finished with exit code 0 O IDE and Plugin Updatos Intellil IDFA is ready to update Event Lag 4 Run TODO Terminal Messages Compilation completed successfully in 2 s 52 ms (moments ago) Type here to search 10-04-2019

Question 2:

import java.util.*;
import java.io.*;

public class Main {

    static Scanner sc= new Scanner(System.in);


    //printLine(int n,char c) method
    public static void printLine(int n,char c)
    {
        // to print char c n times
        int i=0;
        for(i=0;i<n;i++)
            System.out.print(c);

        System.out.print("\n"); // to print newline



    }
       public static void main (String args[])  throws Exception{


      char ch='z';
      int n=14;
      printLine(n,ch);   // method to print char for n times



    }

}

Sample Run

sample [CUsers'darshiDesktopyHomeworkLibsample] - srcMain.java [sample] Intelliu IDEA Eie Edit Yew Navigate gode Analyze Befactor Build Run lools VCs window Help sampleSrc Main CMain i Run: 3 Main | ! "C:\Program Files\Java\jdk-10.อ.2\bin,java .exe" "-javaagent :C :\Program Files\Jeterains\intelli J Community Edition 2018.2\lib\idea rt.jar-5285/2 个 IDEA Process finished with exit code O IDE and Plugin Updatos Intellil IDFA is ready to update 4: Run ,:-TODO -Terminal Messages Compilation completed successfully in 1 s 771 ms (moments ago) Event Lag 25:17 CRLF 수 UTF-8 ?· Type here to search 10-04-2019