Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Textbook Question
Chapter 17.4, Problem 17.4.11CP
Suppose you run the following
public class Test {
public static void main(String[] args)
throws java.io.IOExceptlon {
try (java.io.PrintWriter output =
new java.io.PrintWriter(“t.txt”); ){
output.printf(“%s”, “1234”);
output.printf(“%s”, “5678”);
output.close():
}
}
}
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Modify the code to read file tooutfile2.txt, compute and display the total. Then write the total to a file named tooutfile2A.txt
CODE
import java.util.Scanner;import java.io.*;
public class Pwriter2 {
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Using Python:
Write a program that inputs a text file then counts the unique words in the file. Output each unique word and the number of times it occurs in the input file. Remove any spaces and punctuation from the data and convert each word to lowercase.
https://rose.instructure.com/courses/11779/files/1799063?verifier=PeDzy7Z2p3NhCztKp6oaEJKkUa0z7vmWRyWQFchh&wrap=1
Sample Output:
a 7
above 1
add 1
advanced 1
ago 1
all 1
altogether 1
and 6
any 1
are 3
Using Python: Write a program that inputs a text file then counts the unique words in the file. Output each unique word and
the number of times it occurs in the input file. Remove any spaces and punctuation from the data and convert each word to
lowercase. https://rose.instructure.com/courses/11779/files/1799063?
verifier=PeDzy 7Z2p3NhCztKp6oaEJKkUa0z7vmWRyWQFchh&wrap=1 Sample Output: a 7 above 1 add 1 advanced 1 ago 1
all 1 altogether 1 and 6 any 1 are 3
Chapter 17 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 17.2 - What is a text file and what is a binary file? Can...Ch. 17.2 - How do you read or write text data in Java? What...Ch. 17.3 - Prob. 17.3.1CPCh. 17.3 - How is a Java character represented in the memory,...Ch. 17.3 - If you write the string ABC to an ASCII text file,...Ch. 17.3 - If you write the string 100 to an ASCII text file,...Ch. 17.3 - What is the encoding scheme for representing a...Ch. 17.4 - Prob. 17.4.1CPCh. 17.4 - Why should you always close streams? How do you...Ch. 17.4 - Prob. 17.4.3CP
Ch. 17.4 - Does FileInputStream/Fi1eOutputStream introduce...Ch. 17.4 - What will happen if you attempt to create an input...Ch. 17.4 - How do you append data to an existing text file...Ch. 17.4 - Prob. 17.4.7CPCh. 17.4 - What is written to a file using writeByte(91) on a...Ch. 17.4 - How do you check the end of a file in an input...Ch. 17.4 - What is wrong in the following code? Import...Ch. 17.4 - Suppose you run the following program on Windows...Ch. 17.4 - After the following program is finished, how many...Ch. 17.4 - For each of the following statements on a...Ch. 17.4 - What are the advantages of using buffered streams?...Ch. 17.5 - How does the program check if a file already...Ch. 17.5 - How does the program detect the end of the file...Ch. 17.5 - How does the program count the number of bytes...Ch. 17.6 - Prob. 17.6.1CPCh. 17.6 - Prob. 17.6.2CPCh. 17.6 - Is it true that any instance of...Ch. 17.6 - Prob. 17.6.4CPCh. 17.6 - Prob. 17.6.5CPCh. 17.6 - What will happen when you attempt to run the...Ch. 17.7 - Can RandomAccessFi1e streams read and write a data...Ch. 17.7 - Create a RandomAccessFi1e stream for the file...Ch. 17.7 - What happens if the file test.dat does not exist...Ch. 17 - (Create a text file) Write a program to create a...Ch. 17 - (Create a binary data file) Write a program to...Ch. 17 - (Sum all the integers in a binary data file)...Ch. 17 - (Convert a text file into UTF) Write a program...Ch. 17 - Prob. 17.5PECh. 17 - Prob. 17.6PECh. 17 - Prob. 17.7PECh. 17 - (Update count) Suppose that you wish to track how...Ch. 17 - (Address book) Write a program that stores,...Ch. 17 - (Split files) Suppose you want to back up a huge...Ch. 17 - (Split files GUI) Rewrite Exercise 17.10 with a...Ch. 17 - Prob. 17.12PECh. 17 - (Combine files GUI) Rewrite Exercise 17.12 with a...Ch. 17 - (Encrypt files) Encode the file by adding 5 to...Ch. 17 - (Decrypt files) Suppose a file is encrypted using...Ch. 17 - (Frequency of characters) Write a program that...Ch. 17 - (BitOutputStream) Implement a class named...Ch. 17 - (View bits) Write the following method that...Ch. 17 - (View hex) Write a program that prompts the user...Ch. 17 - (Hex editor) Write a GUI application that lets the...
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