Loop Keyword Program Homework

Question

It will ask the user for a keyword to search for. Then, it will ask the user to enter sentences over and over. The user can stop the process by typing “stop” instead of a se

Answer 1

package console;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Console {

    static float averagePositionInSentence = 0;
    static String searchTerm = "";
    static int noOfSentencesEntered = 0;
    static int noOfMatches = 0;

    public static void main(String[] args) {
        searchTerm = writeToConsoleAndReturnInput("Add phrase to search for.");
        writeToConsole("Now type some sentences. To exit type the word 'stop' on its own");
        mainInputLoop();
        outputResults();
    }

    public static void mainInputLoop() {

        boolean ended = false;
        while (!ended) {
            try {
                String input = readLineFromConsole();
                if (!input.equalsIgnoreCase("stop")) {
                    maintainStatisticalData(input);
                } else {
                    ended = true;
                }
            } catch (Exception e) {
                writeToConsole("There was an error with your last input");
            }
        }
    }

    public static void outputResults() {
        writeToConsole("You entered " + noOfSentencesEntered + " sentences of which " + noOfMatches + " conatined the search term '" + searchTerm + "'");
        writeToConsole("");
        writeToConsole("On average the search term was found at starting position " + (averagePositionInSentence / noOfSentencesEntered) + " in the sentence");
    }

    public static void maintainStatisticalData(String input) {
        noOfSentencesEntered++;
        if (input.contains(searchTerm)) {
            noOfMatches++;
            int position = input.indexOf(searchTerm)+1;
            averagePositionInSentence += position;
        }
    }

    //terminal helper methods
    public static void writeToConsole(String message) {
        System.out.println(message);
    }

    public static String writeToConsoleAndReturnInput(String message) {
        System.out.println(message);
        try {
            return readLineFromConsole();
        } catch (IOException e) {
            //should do something here
            return "Exception while reading line";
        }
    }

    public static String readLineFromConsole() throws IOException {
        InputStreamReader converter = new InputStreamReader(System.in);
        BufferedReader in = new BufferedReader(converter);

        return in.readLine();
    }
}