is-------------------------------------2used to erase the object orshapes, and the computermouse can be used as well aswe choose it from the Modifymenu or through thecommand bar we write the*. command Erase The Delete command OThe erase command OA- The Trim commandهذا السؤال مطلوب
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is-------------------------------------2
used to erase the object or
shapes, and the computer
mouse can be used as well as
we choose it from the Modify
menu or through the
command bar we write the
*. command Erase
The Delete command O
The erase command O
A- The Trim command
هذا السؤال مطلوب
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- 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 file. Software Requirements: Latest version of NetBeans IDE • Java Development Kit (JDK) 8 Procedure: 1. Create a folder named LastName_FirstName (ex. Reyes_Mark) in your local drive. 2. Create a new project named TaskPerf6. Set the project location to your own folder. 3. Write a program that will: a. 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 records.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".If wrong answer this time will downvote it Create a class with a static main that tests the ability to resolve and print a Path: • Create an instance of a FileSystem class. • Resolve an instance of a Path interface from a directory path and filename. • Print the constructed Path with System.out.println() method. 2. Create a class with a static main that tests the ability to resolve and print a Path: • Create an array of Path class. • Instantiate instances of Path with absolute and relative paths. • Print the constructed elements of the array of Path class with System.out.println() method. 3. Create a class to test serialisation class that implements serializable, it should implement the following: • A static void method that serialises an object. • A static void method that deserializes an object. • A static main method that tests the two by moving an object from one to the otherYou will develop a client side and a Servlet program that will work with a database. 1. The client (front end) should have a title "NJIT Credit Union", centered. 2. The client should have a background color. 3. The client should have a text field with label 'UserID' where user will enter userID (integer) and a Submit button with text "Submit". 4. An unsuccessful authentication should have a message printed on the screen, in red, stating that "Your authentication has failed, please try again.” (no pop up message). At this point the text field should get cleared and ready to accept a new input. Your program should not exit. 5. A successful authentication should be followed by a message on the screen, in green, stating that "Your authentication is successful" (no pop up message). 6. There should be two other text boxes with label "Deposit" and "Withdraw" where user will enter an amount (you should accommodate for decimals). These two text boxes should only be enabled after successful…
- Name of Experiment: Permissions in Ubuntu Change the permissions Permissions can be changed with `chmod` command. Suppose you want to change the permission for a particular file or a folder, the first approach is through `chmod` command. Changing Ownership and Group Change the ownership of a file/directory Example: chown user filename Provide screenshot of you workTask 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”.A tar file named "male.tar" has several files. One of the files in the archive is "lonnie.yml". Writethe command that will extract ONLY the file named "lonnie.yml". The command CANNOT contain/usefilter commands such as "grep", "sed", etc. The tar file is in the directory /red/white/blue/. Yourcurrent directory is /root
- The _________ gives information regarding the line number(s) that raise(s) an exception in a program.a. traceb. tracebackc. stacktraced. error logUNIX ASSIGNMENT - IXQuestion 8 : Rename all the files within a folder with suffix “CS_” i.e. suppose a folder has two files file_a.txt and file_b.pdf than they both should be renamed from a single command to CS_a.txt and CS_b.pdfChoose the correct option1. What is use of eof() ? a. Returns true if a file open for reading has reached the next character.b. Returns true if a file open for reading has reached the next word.c. Returns true if a file open for reading has reached the end.d. Returns true if a file open for reading has reached the middle. 2.The mechanism of giving special meaning to an operator is called ____ a. Objectb. Inheritancec. Function overloadingd. Operator Overloading 3) Local variables are stored in an area called ___________ a) Heapb) Permanent storage areac) Free memoryd) Stack
- Laboratory Exercise Guessing Game Objective: At the end of the exercise, the students should be able to: Create a simple game that handles exceptions. Software Requirements: Latest version of NetBeans IDE • Java Development Kit (JDK) 8 Procedure: 1. Create a folder named LastName_FirstName (ex. Reyes_Mark) in your local drive. 2. Create a new project named LabExer5A. Set the project location to your own folder. 3. The program shall: generate a random number from 1 to 50 for a player to guess; • display a message that indicates whether the player's guess is correct, too low, or too high; and prompt the user to keep on guessing until the correct value is entered 4. Create a try-catch structure that will handle two (2) exceptions. These are when the user inputs the following: a number that is out of range (1– 50) a letter or any non-numeric character 5. Prompt the user so that he can guess again if an exception is thrown. 6. Display the number of total guesses. Note: An invalid input…The Exception shape triggers User Alerts received when only when logged into AtomSphere.Create a program that allows you to view and edit the sales amounts for each month of the current year. Example of how the program should look: Console Monthly Sales program COMMAND MENU add - Add sales for a specified month view - View sales for specified month edit - Edit sales for specified month totals - View sales summary for the year exit - Exit program Command: add Three-letter Month: jan Sales Amount: 10317 Sales amount for Jan is 10,317.00. Command: add Three-letter Month: feb Sales Amount: 15293 Sales amount for Jan is 15,293.00. Command: view Three-letter Month: jan Sales Amount: 14317 Sales amount for Jan is 14,317.00. Command: edit Three-letter Month: jan Sales amount for Jan is 14,317.00. Command: totals Yearly total: 29,610.00 Monthly average: 14,805.00 Command: view Three-letter Month: july Invalid three-letter month. Command: exit Bye! Requirements for the program: The program should use a list to store the sales…