Replace text Program plan: Import the required packages into the program. Create a class Exercise12_22 to replace the text of all the files located in a specific directory. Declare the required variables. Get the file input path from the user as the command line arguments. In the main() method. Check command line parameter is valid or not. Check the input path is a directory or not. If it is not a directory, then display the error message. If it is a directory, then list the file content of the directory. The directory contents are files, then invoke the method replaceInAFile() to replace the file old string with new string. The method replaceInAFile() is used with the try{}..catch() block for exception handling. This method replaces all the files in old string with a new string located in a directory.

Question

Want to see the full answer?

Answer 1

Question

Chapter 12, Problem 12.22PE

Program Plan Intro

Replace text

Program plan:

Import the required packages into the program.

Create a class Exercise12_22 to replace the text of all the files located in a specific directory.

Declare the required variables.

Get the file input path from the user as the command line arguments.

In the main() method.

Check command line parameter is valid or not.

Check the input path is a directory or not.

If it is not a directory, then display the error message.

If it is a directory, then list the file content of the directory.

The directory contents are files, then invoke the method replaceInAFile() to replace the file old string with new string.

The method replaceInAFile() is used with the try{}..catch() block for exception handling.

This method replaces all the files in old string with a new string located in a directory.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

(Intro to Java) Explain the answers to the below questions. include a written answer to the question using step-by-step explanation 3. Write 5-6 lines of code to open a PrintWriter and write out the contents of the plants array into a text file named plants.txt

(Class Average: Reading Student Records from a CSV File) Use Python Use the csv module to read the grades.csv file from the previous exercise (exercise 9.3). Display the data in tabular format, including an additional column showing each student’s average to the right of that student’s three exam grades and an additional row showing the class average on each exam below that exam’s column. This is exercise 9.3 # Importing csv moduleimport csv# empty list to store datadata = []columns = ["firstname", "lastname", "grade1", "grade2", "grade3"]filename = "grades.csv"for i in range(3):firstname = input("Enter First Name : ")lastname = input("Enter Last Name : ")grade1 = float(input("Enter Grade 1 : "))grade2 = float(input("Enter Grade 2 : "))grade3 = float(input("Enter Grade 3 : "))data.append([firstname, lastname, grade1, grade2, grade3])print()# write data and columns as csv filewith open(filename, 'w') as csvfile:# creating a csv writer objectcsvwriter = csv.writer(csvfile)# writing the…

(Remove text) Write a program that removes all the occurrences of a specified string from a text file. (For example, my mother went to buy groceries while John and I play Call of duty.) removes the string John from the file. You should create a file with a paragraph. removes the string "John and" from the file. Note:- Please write a java code and also need an output for this program. (Also, let me know with what name file should be saved to get output)