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************This program must work in hypergrade and pass all the test cases.**********   Remove the extra space \n from the program and dont take out quit from the program because it requires a space for it as shown in the screenshot. The text files are located in Hypergrade. For test case 1  first display Please enter a string to convert to Morse code:\n then you press Enter it should print out \n. Then for test case 2 it should display Please enter a string to convert to Morse code:\n then you type abc it should print out .- -... -.-. \n For test case 3 first display Please enter a string to convert to Morse code:\n then you type This is a sample string 1234.ENTER it should print put - .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n.    This program down below does not pass the test cases as shown in the screenshot I have provided the correct test case as a screenshot too. Please modify it or create a new program so it paases the test cases. Thank you!      For test case 1 it wants only Please enter a string to convert to Morse code:\n ENTER \n   For test case 2 it wants only  Please enter a string to convert to Morse code:\n abcENTER .- -... -.-. \n   For test case 3 it wants only  Please enter a string to convert to Morse code:\n This is a sample string 1234.ENTER - .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n   import java.util.HashMap; import java.util.Scanner; public class MorseEncoder {     private static final HashMap codeMappings = new HashMap<>();     public static void main(String[] args) {         initializeMappings();         Scanner textScanner = new Scanner(System.in);         System.out.print("Please enter a string to convert to Morse code:\n");         String textForEncoding = textScanner.nextLine();         if ("ENTER".equals(textForEncoding)) {             System.out.println();             return;         }         String encodedOutput = encodeText(textForEncoding);         System.out.println(encodedOutput);     }     private static void initializeMappings() {         codeMappings.put('A', ".-");         codeMappings.put('B', "-...");         codeMappings.put('C', "-.-.");         codeMappings.put('D', "-..");         codeMappings.put('E', ".");         codeMappings.put('F', "..-.");         codeMappings.put('G', "--.");         codeMappings.put('H', "....");         codeMappings.put('I', "..");         codeMappings.put('J', ".---");         codeMappings.put('K', "-.-");         codeMappings.put('L', ".-..");         codeMappings.put('M', "--");         codeMappings.put('N', "-.");         codeMappings.put('O', "---");         codeMappings.put('P', ".--.");         codeMappings.put('Q', "--.-");         codeMappings.put('R', ".-.");         codeMappings.put('S', "...");         codeMappings.put('T', "-");         codeMappings.put('U', "..-");         codeMappings.put('V', "...-");         codeMappings.put('W', ".--");         codeMappings.put('X', "-..-");         codeMappings.put('Y', "-.--");         codeMappings.put('Z', "--..");     }     private static String encodeText(String textForEncoding) {         StringBuilder encodedStringBuilder = new StringBuilder();         boolean lastCharWasSpace = false;         for (char individualChar : textForEncoding.toCharArray()) {             if (individualChar == ' ') {                 if (!lastCharWasSpace) {                     encodedStringBuilder.append("  ");                     lastCharWasSpace = true;                 }                 continue;             }             lastCharWasSpace = false;             String morseSymbol = codeMappings.get(Character.toUpperCase(individualChar));             if (morseSymbol != null) {                 encodedStringBuilder.append(morseSymbol).append(' ');             }         }         return encodedStringBuilder.toString().trim();     } }     morse.txt        0    ----- 1    .---- 2    ..--- 3    ...-- 4    ....- 5    ..... 6    -.... 7    --... 8    ---.. 9    ----. ,    --..-- .    .-.-.- ?    ..--.. A    .- B    -... C    -.-. D    -.. E    . F    ..-. G    --. H    .... I    .. J    .--- K    -.- L    .-.. M    -- N    -. O    --- P    .--. Q    --.- R    .-. S    ... T    - U    ..- V    ...- W    .-- X    -..- Y    -.-- Z    --..

************This program must work in hypergrade and pass all the test cases.**********   Remove the extra space \n from the program and dont take out quit from the program because it requires a space for it as shown in the screenshot. The text files are located in Hypergrade. For test case 1  first display Please enter a string to convert to Morse code:\n then you press Enter it should print out \n. Then for test case 2 it should display Please enter a string to convert to Morse code:\n then you type abc it should print out .- -... -.-. \n For test case 3 first display Please enter a string to convert to Morse code:\n then you type This is a sample string 1234.ENTER it should print put - .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n.    This program down below does not pass the test cases as shown in the screenshot I have provided the correct test case as a screenshot too. Please modify it or create a new program so it paases the test cases. Thank you!      For test case 1 it wants only Please enter a string to convert to Morse code:\n ENTER \n   For test case 2 it wants only  Please enter a string to convert to Morse code:\n abcENTER .- -... -.-. \n   For test case 3 it wants only  Please enter a string to convert to Morse code:\n This is a sample string 1234.ENTER - .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n   import java.util.HashMap; import java.util.Scanner; public class MorseEncoder {     private static final HashMap codeMappings = new HashMap<>();     public static void main(String[] args) {         initializeMappings();         Scanner textScanner = new Scanner(System.in);         System.out.print("Please enter a string to convert to Morse code:\n");         String textForEncoding = textScanner.nextLine();         if ("ENTER".equals(textForEncoding)) {             System.out.println();             return;         }         String encodedOutput = encodeText(textForEncoding);         System.out.println(encodedOutput);     }     private static void initializeMappings() {         codeMappings.put('A', ".-");         codeMappings.put('B', "-...");         codeMappings.put('C', "-.-.");         codeMappings.put('D', "-..");         codeMappings.put('E', ".");         codeMappings.put('F', "..-.");         codeMappings.put('G', "--.");         codeMappings.put('H', "....");         codeMappings.put('I', "..");         codeMappings.put('J', ".---");         codeMappings.put('K', "-.-");         codeMappings.put('L', ".-..");         codeMappings.put('M', "--");         codeMappings.put('N', "-.");         codeMappings.put('O', "---");         codeMappings.put('P', ".--.");         codeMappings.put('Q', "--.-");         codeMappings.put('R', ".-.");         codeMappings.put('S', "...");         codeMappings.put('T', "-");         codeMappings.put('U', "..-");         codeMappings.put('V', "...-");         codeMappings.put('W', ".--");         codeMappings.put('X', "-..-");         codeMappings.put('Y', "-.--");         codeMappings.put('Z', "--..");     }     private static String encodeText(String textForEncoding) {         StringBuilder encodedStringBuilder = new StringBuilder();         boolean lastCharWasSpace = false;         for (char individualChar : textForEncoding.toCharArray()) {             if (individualChar == ' ') {                 if (!lastCharWasSpace) {                     encodedStringBuilder.append("  ");                     lastCharWasSpace = true;                 }                 continue;             }             lastCharWasSpace = false;             String morseSymbol = codeMappings.get(Character.toUpperCase(individualChar));             if (morseSymbol != null) {                 encodedStringBuilder.append(morseSymbol).append(' ');             }         }         return encodedStringBuilder.toString().trim();     } }     morse.txt        0    ----- 1    .---- 2    ..--- 3    ...-- 4    ....- 5    ..... 6    -.... 7    --... 8    ---.. 9    ----. ,    --..-- .    .-.-.- ?    ..--.. A    .- B    -... C    -.-. D    -.. E    . F    ..-. G    --. H    .... I    .. J    .--- K    -.- L    .-.. M    -- N    -. O    --- P    .--. Q    --.- R    .-. S    ... T    - U    ..- V    ...- W    .-- X    -..- Y    -.-- Z    --..

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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************This program must work in hypergrade and pass all the test cases.**********
 
Remove the extra space \n from the program and dont take out quit from the program because it requires a space for it as shown in the screenshot. The text files are located in Hypergrade. For test case 1  first display Please enter a string to convert to Morse code:\n then you press Enter it should print out \n. Then for test case 2 it should display Please enter a string to convert to Morse code:\n then you type abc it should print out .- -... -.-. \n For test case 3 first display Please enter a string to convert to Morse code:\n then you type This is a sample string 1234.ENTER it should print put - .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n. 
 
This program down below does not pass the test cases as shown in the screenshot I have provided the correct test case as a screenshot too. Please modify it or create a new program so it paases the test cases. Thank you! 
 
 
For test case 1 it wants only
Please enter a string to convert to Morse code:\n
ENTER
\n
 
For test case 2 it wants only 
Please enter a string to convert to Morse code:\n
abcENTER
.- -... -.-. \n
 
For test case 3 it wants only 
Please enter a string to convert to Morse code:\n
This is a sample string 1234.ENTER
- .... .. ...   .. ...   .-   ... .- -- .--. .-.. .   ... - .-. .. -. --.   .---- ..--- ...-- ....- .-.-.- \n
 

import java.util.HashMap;
import java.util.Scanner;

public class MorseEncoder {
    private static final HashMap<Character, String> codeMappings = new HashMap<>();

    public static void main(String[] args) {
        initializeMappings();

        Scanner textScanner = new Scanner(System.in);
        System.out.print("Please enter a string to convert to Morse code:\n");
        String textForEncoding = textScanner.nextLine();

        if ("ENTER".equals(textForEncoding)) {
            System.out.println();
            return;
        }

        String encodedOutput = encodeText(textForEncoding);
        System.out.println(encodedOutput);
    }

    private static void initializeMappings() {
        codeMappings.put('A', ".-");
        codeMappings.put('B', "-...");
        codeMappings.put('C', "-.-.");
        codeMappings.put('D', "-..");
        codeMappings.put('E', ".");
        codeMappings.put('F', "..-.");
        codeMappings.put('G', "--.");
        codeMappings.put('H', "....");
        codeMappings.put('I', "..");
        codeMappings.put('J', ".---");
        codeMappings.put('K', "-.-");
        codeMappings.put('L', ".-..");
        codeMappings.put('M', "--");
        codeMappings.put('N', "-.");
        codeMappings.put('O', "---");
        codeMappings.put('P', ".--.");
        codeMappings.put('Q', "--.-");
        codeMappings.put('R', ".-.");
        codeMappings.put('S', "...");
        codeMappings.put('T', "-");
        codeMappings.put('U', "..-");
        codeMappings.put('V', "...-");
        codeMappings.put('W', ".--");
        codeMappings.put('X', "-..-");
        codeMappings.put('Y', "-.--");
        codeMappings.put('Z', "--..");
    }

    private static String encodeText(String textForEncoding) {
        StringBuilder encodedStringBuilder = new StringBuilder();
        boolean lastCharWasSpace = false;

        for (char individualChar : textForEncoding.toCharArray()) {
            if (individualChar == ' ') {
                if (!lastCharWasSpace) {
                    encodedStringBuilder.append("  ");
                    lastCharWasSpace = true;
                }
                continue;
            }

            lastCharWasSpace = false;
            String morseSymbol = codeMappings.get(Character.toUpperCase(individualChar));
            if (morseSymbol != null) {
                encodedStringBuilder.append(morseSymbol).append(' ');
            }
        }

        return encodedStringBuilder.toString().trim();
    }
}

 
 
morse.txt
      
0    -----
1    .----
2    ..---
3    ...--
4    ....-
5    .....
6    -....
7    --...
8    ---..
9    ----.
,    --..--
.    .-.-.-
?    ..--..
A    .-
B    -...
C    -.-.
D    -..
E    .
F    ..-.
G    --.
H    ....
I    ..
J    .---
K    -.-
L    .-..
M    --
N    -.
O    ---
P    .--.
Q    --.-
R    .-.
S    ...
T    -
U    ..-
V    ...-
W    .--
X    -..-
Y    -.--
Z    --..
 
Test Case 1 Passed! Please enter a string to convert to Morse code: \n ENTER Test Case 2 Failed Show what's missing Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 Failed Show what's missing \n Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER Test Case 1 Passed! Please enter a string to convert to Morse code: \n ENTER \n Test Case 2 Failed Show what's missing Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 Failed \n Show what's missing Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER \n \n Screen Shot 2023-10-31 at 5.36.03 PM V fo Ꭷ Q Search
Transcribed Image Text:Test Case 1 Passed! Please enter a string to convert to Morse code: \n ENTER Test Case 2 Failed Show what's missing Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 Failed Show what's missing \n Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER Test Case 1 Passed! Please enter a string to convert to Morse code: \n ENTER \n Test Case 2 Failed Show what's missing Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 Failed \n Show what's missing Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER \n \n Screen Shot 2023-10-31 at 5.36.03 PM V fo Ꭷ Q Search
Test Case 1 Please enter a string to convert to Morse code: \n ENTER \n Test Case 2 Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 \n Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER \n
Transcribed Image Text:Test Case 1 Please enter a string to convert to Morse code: \n ENTER \n Test Case 2 Please enter a string to convert to Morse code: \n abc ENTER Test Case 3 \n Please enter a string to convert to Morse code: \n This is a sample string 1234. ENTER \n
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