// BlueJ Project: lesson4/book7
// Video: Working with the Book Text
import java.util.Scanner;
import java.io.File;
public class Main
{
private int occurences;
public static void main(String[] args)
{
System.out.print("Type a word and I'll tell you how many times it appears: ");
// TODO: Create an scanner object to read the user input
// Read a word from the scanner and assign it to a String variable named word
Scanner userInput = new Scanner(System.in);
String word = userInput.nextLine();
// TODO: Create a book object that reads from aliceInWonderland.txt
Book alice = new Book("aliceInWonderland.txt");
// TODO: Find the number of occurences of that word and assign it to a variable named occurences
int occurrences = alice.occurrencesOf(word);
}
}
// BlueJ Project: lesson4/book6
// Video: Working with the Book Text
import java.util.Scanner;
import java.io.File;
public class Book
{
private String bookText;
public Book(String fileName)
{
readBook(fileName);
}
/**
* Counts how many times a given word occurs in this book.
* @param word a word of length >= 1
* @return the number of occurrences
*/
public int occurrencesOf(String word)
{
// TODO: Complete this method
return 0;
}
/**
* Counts how many times "Alice" occurs in this book.
* @return the number of occurrences
*/
public int occurrencesOfAlice()
{
int length = bookText.length();
int lengthWithoutAlice = bookText.replace("Alice", "").length();
return (length - lengthWithoutAlice) / 5;
}
/**
* Gets the first sentence of this book.
* @return the first sentence (including the period) of this book.
*/
public String getFirstSentence()
{
int endOfSentence = bookText.indexOf(".");
return bookText.substring(0, endOfSentence + 1);
}
/**
* Gets the second sentence of this book.
* @return the second sentence (including the period) of this book.
*/
public String getSecondSentence()
{
int beginningOfSentence = bookText.indexOf(".") + 1;
int endOfSentence = bookText.indexOf(".", beginningOfSentence);
return bookText.substring(beginningOfSentence, endOfSentence + 1);
}
/**
* Calculates the number of characters (as in letters and
* symbols, not people) in the book.
* @return the number of letters and symbols in the book.
*/
public int getNumCharacters()
{
return bookText.length();
}
/**
* Finds where the string "Mad Hatter" occurs for the first time in the book.
* @return the location of the first occurrence of the string
*/
public int firstOccurrenceOfMadHatter()
{
return bookText.indexOf("Mad Hatter");
}
/**
* A method to help read the book out of the file.
* You don't have to read this unless you want to.
* The "try" and "catch" are java's way of dealing with
* runtime errors or "exceptions." For more info, see
* https://docs.oracle.com/javase/tutorial/essential/exceptions/catch.html
*/
public void readBook(String fileName)
{
bookText = "";
try
{
Scanner file = new Scanner(new File(fileName));
while (file.hasNextLine())
{
String line = file.nextLine();
bookText += line + "\n";
}
file.close();
}
catch (Exception e)
{
System.out.println(e);
}
}
}
This is test content to test things
