Question

Can somebody help me with Java programming? please be brief and explain the process

and carefully follow the step by step instruction. Thanks

Homework 12.1 - Write a program that generates five random sentences (like mad libs), prints them to a file, then reads in the sentences and prints them to the console.

1. Start by creating four string arrays for nouns, verbs, colors, and places. They should store at least 5 of each type of word. You can have more words so that your sentences have more variety, but it would easier to keep the number of words the same in each array.
2. Generate a random number to pick the index number in each array. There should be a different number per array, since you don't just want to end up with the same sentence every time the same number is selected.
3. Plug your random strings into a sentence:
   The [adjective] [animal] wants to [verb] at the [place]
   An example of a randomly generated sentence might be:
   The fancy monkey wants to slide at the mall
   Feel free to make up your own sentence, as long as it uses at least the four different types of words.
4. Write each sentence to a file called RandomStrings.txt
5. Read in each sentence and print it to the console

Be sure to write some code to handle what will happen if the file already exists, or if it has trouble writing to or reading from the file. Your program should not crash if it encounters errors like this.

Answer 1

SOURCE CODE:

*Please follow the comments to better understand the code.

**Please look at the Screenshot below and use this code to copy-paste.

***The code in the below screenshot is neatly indented for better understanding.



This is a very big question.
I have solved all of them. 
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import java.io.*;
import java.util.Random;

public class Sentence {
    static void printFromFile(String fileName)
    {
        System.out.println("Reading data from the file..");
        // declare a reader
        BufferedReader reader;
        // Try to read the data from file.
        try {
            reader = new BufferedReader(new FileReader(fileName));//reader object for file
            String line = reader.readLine();//read next line
            while (line != null) {
                System.out.println(line);
                // read next line
                line = reader.readLine();//read next line
            }
            reader.close();
        } catch (Exception e) {
            // if any exception, just print the error.
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        // declare the variables here
        // create four string arrays for nouns, verbs, colors, and places.
        // They should store at least 5 of each type of word
        String[] nouns={"Monkey", "Dog", "Donkey", "Horse", "Pig"};
        String[] verbs={"eat", "drink", "slide", "throw", "Visit"};
        String[] colors={"Red", "Green", "Blue", "Orange", "Pink"};
        String[] places={"Mall", "School", "Home", "College", "Office"};

        // Generate a random number to pick the index number in each array.
        Random random=new Random();
        // generate 5 different indices
            // prepare the sentence
            String sentence="The ";
            int randomIndex = random.nextInt(5);
            sentence+= colors[randomIndex];
            randomIndex = random.nextInt(5);
            sentence+= " " + nouns[randomIndex]+" wants to ";
            randomIndex = random.nextInt(5);
            sentence+= verbs[randomIndex];
            randomIndex = random.nextInt(5);
            sentence+=" at the "+places[randomIndex];

        // Here we have the sentence. Now print it to the file.
        // Edit the filepath here for your file
        String fileName="/home/praveen_kumar/hu16-java-leavetracker/dummy/src/RandomStrings.txt";
        printToFile(fileName, sentence);
        printFromFile(fileName);
    }

    static void printToFile(String fileName, String sentence) {
        try {
            // open the file here
            FileWriter myWriter = new FileWriter(fileName);
            // write to the file
            myWriter.write(sentence);
            myWriter.close();
            // print success message
            System.out.println("Successfully wrote to the file.");
        } catch (IOException e) {
            System.out.println("An error occurred.");
            e.printStackTrace();
        }
    }
}

=====

1 Sentence.java & RandomStrings.txt x -import java.io.*; import java.util. Random; 2 3 4 5 6 o 7. 8 9 public class Sentence { static void printFromFile(String fileName) { System.out.println("Reading data from the file.."); Il declare a reader BufferedReader reader; // Try to read the data from file. try { reader = new BufferedReader(new FileReader(fileName));//reader object for file String line = reader.readLine();//read next line while (line != null) { System.out.println(line); // read next line line = reader.readLine();//read next line o } o 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 reader.close(); } catch (Exception e) { // if any exception, just print the error. e.printStackTrace(); } C } public static void main(String[] args) { // declare the variables here // create four string arrays for nouns, verbs, colors, and places. // They should store at least 5 of each type of word String[] nouns={"Monkey", "Dog", "Donkey", "Horse", "Pig"}; String[] verbs={"eat", "drink", "slide", "throw", "Visit"}; cuvinuni anlamarinad ID1...11 .נ.1-. -חו

String[] verbs={"eat", "drink", "slide", "throw", "Visit"}; String[] colors={"Red", "Green", "Blue", "Orange", "Pink"}; String[] places={"Mall", "School", "Home", "College", "Office"}; 31 32 33 34 35 36 o 37 38 39 A 40 41 // Generate a random number to pick the index number in each array. Random random=new Random(); // generate 5 different indices // prepare the sentence String sentence="The "; int randomIndex = random.nextInt( bound: 5); sentence+= colors[randomIndex]; randomIndex = random.nextInt( bound: 5); sentence+= "" + nouns[randomIndex]+" wants to "; random Index = random.nextInt( bound: 5); sentence+= verbs[randomIndex]; randomIndex = random.nextInt( bound: 5); sentence+=" at the "+places[randomIndex]; 42 43 44 45 46 47 48 49 o A 50 51 52 53 // Here we have the sentence. Now print it to the file. // Edit the filepath here for your file String fileName="/home/praveen_kumar/hu16-java-leavetracker/dummy/src/RandomStrings.txt"; printToFile(fileName, sentence); printFromFile(fileName); 54 O } o o 55 56 57 58 59 60 61 static void printToFile(String fileName, String sentence) { try { // open the file here FileWriter myWriter = new FileWriter(fileName); // write to the file myWriter.write(sentence); myWriter.close(); Il print success message System.out.println("Successfully wrote to the file."); } catch (IOException e) { Build 62 63 64 65 4: Run O 6: Problems DE TODO +9: Git - Terminal

56 57 o 58 59 60 61 static void printToFile(String fileName, String sentence) { try { // open the file here FileWriter myWriter = new FileWriter(fileName); // write to the file myWriter.write(sentence); myWriter.close(); // print success message System.out.println("Successfully wrote to the file."); } catch (IOException e) { System.out.println("An error occurred."); e.printStackTrace(); 62 63 64 65 66 67 68 69 O hapa men 70 } 71 ÉRandomStrings.txt 1 The Green Dog wants to slide at the Mall Run: 个 Z: Structure Sentence /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -javaagent:/snap/intellij-idea-community/246/ Successfully wrote to the file. Reading data from the file.. The Green Dog wants to slide at the Mall #E+ Process finished with exit code 0

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