At the end of the activity, the students should be able to: Create a program that handles exception and allows writing to and reading from a text file.
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- How can developers prevent and handle common file-related exceptions such as file not found, permission denied, and file I/O errors? Provide code examples if possible.Task Performance User Log-in Objective: At the end of the activity, the students should be able to: Create a program that handles exception and allows writing to and reading from a text Software Requirements: Latest version of NetBeans IDE Java Development Kit (JDK) 8 Procedure: Create a folder named LastName_FirstName (ex. Reyes_Mark) in your local Create a new project named TaskPerf6. Set the project location to your own Write a program that will: Ask the user to select between two (2) options: Register: User shall input his desired username and password. These shall be saved in a text file named txt. Only alphanumeric characters are allowed. Login: User is asked to input a username and password. Validate using the text file created from the Register option. If both the username and password are correct, display the message “Successfully logged in”, else, display “Incorrect username or password”.Please complete these files. There are two text files attached. Running the code should result in the creation of an output file ("PE_output.txt"). Please give full reasoning to the answer. Please also paste the full java code and please attach a screenshot of the successful program run. package solution; import java.io.*;import java.util.Scanner; public class PE_1_problem {@SuppressWarnings("resource")public static String readFirstLetters(String filename) {String result = "";File f = new File(filename);// Surround the next command inside a try/catch block,// as it is possible the file doesn't exist.try {Scanner fileContents = new Scanner(f);while (fileContents.hasNextLine()) {// 1. Get the next line and store in a variable// 2. Check the length of the line. If the line is not an// empty string, add the character at the start of the line// to the result string.// 3. Otherwise, add an empty space to the result string.}fileContents.close();} catch (FileNotFoundException e) {…
- Part 2 OCTAL numbers have special usage regarding file permission. can you modify the permission by using OCTAL number? Assuming current working directory is "/home/test1/Exam1" and "rwxrw _r_ _" is the file permission setting of "Hello.java" . Remove the execution permission from the owner and add write permission to the other users in the other groupJAVA Problem – CycleFileInput Revisit the Cycle class . Modify your application such that the properties will be read from a text file called “Cycle.txt”. Directions Examine your application for the class called Cycle. Add an appropriate throws statement in the main method. Create a reference to a File class with the appropriate name of a text file (Cycle.txt). Note: Cycle.txt was created in the previous assignment, CycleFileOutput. In your code, check that the text file does exist. Input the values from the file to memory. Close the file. public class Cycle { // Declear integer instance variable private int numberOfWheels; private int weight; // Constructer declear class public Cycle(int numberOfWheels, int weight ) { this.numberOfWheels = numberOfWheels; this.weight = weight; } // String method for output public String toString() { String wheel = String.valueOf(this.numberOfWheels); String load = String.valueOf(this.weight); return("No of wheels in cycle = " +…Focus on Basic file operations, exception handling. Save a copy of the file module6data.txt (Below) Write a program that will Open the file module6data.txt Create a second file named processed. txt Read the numbers from the first file one at a time. For each number write into second file, if possible, its Square Square root iii. Reciprocal (1/number)use a math module function for the square root. use exception handling to trap possible errors. Report the number of items in the original file and the number that were successfully stored in the second file. Report the number of each type of error: ValueError, ZeroDivisionError, TypeError 26 O 76 -91 85 -44 85 -95 -34 83 -64 -76 -41 89 0 83 -99 -69 8 -79 0 -32 -49 -89 85 79 -28 56 19 -93 -21 -23 82 51 -80 l 62 -78 -8 71 28 -73 0 -45 -73 28 -5 O -70 63 -36 -72 0 -76 -24 -59 0 -54 83 35 -3 88 -14 29 -35 17 27 -61 -42 49 83 38 79 -80 33 8 41 96 -94 46 71 8 76 -63 -36 93 -82 -68 -20 69 -57 -84 -29 -17 77 36 -89 -94 62 10 -69 -43 Use…
- JAVA Problem – CycleFileOutput Revisit the Cycle class. Modify your application such that the properties will be written to a text file called “Cycle.txt” instead of to the screen. Directions Examine your application for the class called Cycle. Add an appropriate throws statement in the main method. Create a reference to a File class with the appropriate name of a text file (Cycle.txt). Use appropriate code to ensure that the text file exist. Output the values of the variables to the text file. Close the file. Note: Verify the contents were written to the text file using notepad (or any word processor). public class Cycle { // Declear integer instance variable private int numberOfWheels; private int weight; // Constructer declear class public Cycle(int numberOfWheels, int weight ) { this.numberOfWheels = numberOfWheels; this.weight = weight; } // String method for output public String toString() { String wheel = String.valueOf(this.numberOfWheels); String load =…Question 1BackgroundYou are required to write program that will read a file, encrypt the content of the file, and thencreate a new file that contains the encrypted content.Your program will make use of the following classes:Page – This class will be used to represent the content of the file that was read.PageManager – This class will be used to read page content from and to a file.APM11A1Encryptor – This class will be used to encrypt the content of a file using the Caesar-Ciphermethod.APM11A1 - AdvancedProgrammingAdvancedAPM11A1Encryptor – This class will be used to encrypt the content of a file using theExclusive-OR method.Caesar CipherCaesar was a Roman military and political leader during 100BC to 44BC. In order to make thecommunication channels secure during war, he invented an encryption technique called the CaesarCipher. The cipher requires a sentence and a key to function properly. Each character in the sentencewas then shifted according to the value of the key. Computer…WAP to demonstrateuser defne exception create InsufficientBalanceException class create cust class if(withdrawlamt > avabal)---->throw InsufficentBalException else------------>collect the amt
- Question 9 nag .In order to catch (and thus handle) a thrown exception, the statement (or statements) that can potentially throw the exception must be contained inside of a Blank 1 block Blank 1 --> add your answer c++ Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line3-20 Please write a UNCHECKED EXCEPTION in Java Code per the instructions and make sure your code compiles before submitting. Thank you!Focus on Basic file operations, exception handlingCreate and save a file of the number below as module6data.txt: 26O76-9185-4485-95-3483-64-76-4189083-99-698-790-32-49-898579-285619-93-21-238251-80l62-78-87128-730-45-7328-5O-7063-36-720-76-24-590-548335-388-1429-351727-61-4249833879-803384196-944671876-63-3693-82-68-2069-57-84-29-177736-89-946210-69-43Write a program in python that will a. Open the file module6data.txtb. Create a second file named processed.txtc. Read the numbers from the first file one at a time. For each number write into thesecond file, if possible, itsi. square ii. square root.iii. reciprocal (1/number) each on a separate line.• Use a math module function for the square root.• Use exception handling to trap possible errors. Error messages should be reported to the screen.d. Report the number of items in the original file and the number that were successfully stored in the second file.e. Report the number (count) of each type of error: ValueError, ZeroDivisionError,…