HomeworkLib
Question

Why would a program need to store information into a file? What are the following streams:...

  1. Why would a program need to store information into a file?
  2. What are the following streams: Standard input, standard output, and standard error?
  3. What are the two classes commonly used to perform character-based input and output and how do you use them to read and write information to a text file?
  4. What is object serialization and how do you use it in java?
  5. What is the class JFileChooser used for and how do you use it?
engineering   Computer-Science   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

`Hey,

Note: Brother if you have any queries related the answer please do comment. I would be very happy to resolve all your queries.

Program creates a file & store information. We frequently use files for storing information which can be processed by our programs. In order to store information permanently and retrieve it we need to use files and this program demostrate file creation and writing data in that.

Note: Brother According to HomeworkLib's policy we are only allowed to answer first part if there are many. So, I request you to post other part as separate posts

Kindly revert for any queries

Thanks.

0 0
Add a comment
Know the answer?
Add Answer to:
Why would a program need to store information into a file? What are the following streams:...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Need help with java programming. Here is what I need to do: Write a Java program...

    Need help with java programming. Here is what I need to do: Write a Java program that could help test programs that use text files. Your program will copy an input file to standard output, but whenever it sees a “$integer”, will replace that variable by a corresponding value in a 2ndfile, which will be called the “variable value file”. The requirements for the assignment: 1.     The input and variable value file are both text files that will be specified in...

  • Write a program using Java Streams that reads an arbitrary text file and creates pairs from...

    Write a program using Java Streams that reads an arbitrary text file and creates pairs from everything it finds in the file that is a number and the word that precedes that number. Example input: I need to buy 5 notebooks and 4 folders in 2 days for school. Output. buy 5 and 4 in 2

  • UNIX is all about manipulating files and input/output streams fluidly, so it is important to get a strong grasp of how...

    UNIX is all about manipulating files and input/output streams fluidly, so it is important to get a strong grasp of how this fundamentally works at the system call level to understand higher-level system programming concepts. Every program automatically has three file descriptors opened by the shell standard input standard output standard error 1 2 One can use read and write other open file. Normally, standard input and output on the terminal are line-buffered, so, for example, the specified number of...

  • //I NEED THE PROGRAM IN C LANGUAGE!// QUESTION: I need you to write a program which...

    //I NEED THE PROGRAM IN C LANGUAGE!// QUESTION: I need you to write a program which manipulates text from an input file using the string library. Your program will accept command line arguments for the input and output file names as well as a list of blacklisted words. There are two major features in this programming: 1. Given an input file with text and a list of words, find and replace every use of these blacklisted words with the string...

  • C++ requirements The store number must be of type unsigned int. The sales value must be...

    C++ requirements The store number must be of type unsigned int. The sales value must be of of type long long int. Your program must properly check for end of file. See the section Reading in files below and also see your Gaddis text book for details on reading in file and checking for end of file. Your program must properly open and close all files. Failure to follow the C++ requirements could reduce the points received from passing the...

  • C++ (1) Write a program to prompt the user for an input and output file name....

    C++ (1) Write a program to prompt the user for an input and output file name. The program should check for errors in opening the files, and print the name of any file which has an error, and exit if an error occurs. For example, (user input shown in caps in first line, and in second case, trying to write to a folder which you may not have write authority in) Enter input filename: DOESNOTEXIST.T Error opening input file: DOESNOTEXIST.T...

  • Write a Java program to read customer details from an input text file corresponding to problem...

    Write a Java program to read customer details from an input text file corresponding to problem under PA07/Q1, Movie Ticketing System The input text file i.e. customers.txt has customer details in the following format: A sample data line is provided below. “John Doe”, 1234, “Movie 1”, 12.99, 1.99, 2.15, 13.99 Customer Name Member ID Movie Name Ticket Cost Total Discount Sales Tax Net Movie Ticket Cost Note: if a customer is non-member, then the corresponding memberID field is empty in...

  • JAVA Code: Complete the program that reads from a text file and counts the occurrence of...

    JAVA Code: Complete the program that reads from a text file and counts the occurrence of each letter of the English alphabet. The given code already opens a specified text file and reads in the text one line at a time to a temporary String. Your task is to go through that String and count the occurrence of the letters and then print out the final tally of each letter (i.e., how many 'a's?, how many 'b's?, etc.) You can...

  • Java Program Create a class to store an array of with enough space to store 10 integer values. Us...

    Java Program Create a class to store an array of with enough space to store 10 integer values. Using the principle of recursion, implement the following: *getSize : returns the size of the array. *get (i): returns the i-th element of the array. If the element does not exist, it throws a "NoSuchElementException” which is a subclass of Java class RunTimeException. *add (val): inserts value as the last element of the array. If necessary, double the size of the current...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT