__________ is a process that periodically runs, removing all unreferenced objects from memory. a. Systematic reallocation b. Memory cleanup c. Garbage collection d. Object maintenance
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__________ is a process that periodically runs, removing all unreferenced objects
from memory.
a. Systematic reallocation
b. Memory cleanup
c. Garbage collection
d. Object maintenance
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- What happens when an object is no longer referenced? O Nothing until the problem terminates O The garbage collector removes the object O The address is saved for future instances of the object O Creates a None referenceInstructions The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. An example of the program is shown below: Enter a radius for a circle >> 7 The radius is 7 The diameter is 14 The area is 153.93791 Task 1: The DebugPen class compiles without error. This task is dependent on completing task #2. Task 2: The DebugCircle class methods work without errors. Task 3: The DebugFour1 class compiles without error. Task 4: The DebugFour1 program accepts user input and displays the correct output.1. Object-Oriented concept 2. Interface 3. Inheritance 4. Use scanner class Write a code that converts binary to decimal and decimal to binary, Hexadecimal to decimal. Then by using the arithmetic equation add, subtract, multiply, divide binary numbers as well as a decimal number. It is a must to use object-oriented concepts. you can use Integer.toBinaryString(), Integer.parseInt()
- Java OOP Write a complete address book maintenance application. The user of the program has four options: Add a new person, delete a person, modify the data of a person, and search for a person by giving the name. Use the AddressBook class, either the original one from the chapter or the modified one from the previous exercises. You have to decide how to allow the user to enter the values for a new person, display person information, and so forth.PLZ help with the following: True/False In java it is possible to throw an exception, catch it, then re-throw that same exception if it is desired GUIs are windowing interfaces that handle user input and output. An interface can contain defined constants as well as method headings or instead of method headings. When a recursive call is encountered, computation is temporarily suspended; all of the information needed to continue the computation is saved and the recursive call is evaluated. Can you have a static method in a nonstatic inner class?True/False Questions. Circle the correct option. 1.T / F-A class protects the code inside it via inheritance. 2.T / F -PASCAL is used for scientific purposes and work is to be done in batches 3.T / F -In high level programming language Pascal, each program statement ends with the single quotation marks 4.T/ F-In unstructured programming language BASIC, program can be divided into the different procedures 5.T / F-'object program' is also called machine code 6.T / F -Type of program which can be run on different types of computer by making little changes into it is classified as fixed program 7.T / F -OOP paradigm was introduced in Ada with version Ada95. 8.T / F -A collateral command specifies that exactly twocommands may be executed in any order 9.T / F -PYTHON adopts reference semantics. This is especially significant for mutable values, which can be selectively updated 10.T / F-#Character = 256 (ISO LATIN character set)
- Farrell, Joyce. Microsoft Visual C#: An Introduction to Object-Oriented Programming 4. a. Create a program named WritePatientRecords that allows a doctor’s staff to enter data about patients and saves the data to a file. Create a Patient class that contains fields for ID number, name, and current balance owed to the doctor’s office. b. Create a program named ReadPatientRecords that reads the file created in Exercise 4a and displays each patient’s data on the screen. c. Create a program named FindPatientRecords that prompts the user for an ID number, reads the file created in Exercise 4a, and displays data for the specified record. d. Create a program named FindPatientRecords2 that prompts the user for a minimum balance due, reads the file created in Exercise 4a, and displays Using console application, combine all four parts in one program and name it PatientRecords, please make sure to include exception handling in this program.In terms of programming, it is preferable to have a deeper level of access rather than a shallower level of access; consequently, you should not base your decision just on how well something runs.Using JAVA An account record has the following:Account nameAccount surnameAccount numberAccount typeInterestBalance Create an AccountRecord class, complete with accessors and mutators (get and set methods) for theinstant variables as well as the toString method for formatting the object.The Account Record class must have an abstract method called calculateinterest A savings account must have a minimum balance of R500 and has an annual interest of 5%, If thebalance is greater than R10000 the annual interest is 7% and if the balance is greater than R50000 theannual interest is 8%An investment account must have a minimum balance of R100000 and the annual interest is 9%,Withdrawals cannot be made on an investment account.A check account can have a minimum balance of RO. The annual interest is 2% if the balance is greaterR20000. If the balance is greater than R100000 the annual interest can be 4%Each of the subclasses must have at least two constructors.The savings account, investment…
- Using JAVA An account record has the following:Account nameAccount surnameAccount numberAccount typeInterestBalance Create an AccountRecord class, complete with accessors and mutators (get and set methods) for theinstant variables as well as the toString method for formatting the object.The Account Record class must have an abstract method called calculateinterest A savings account must have a minimum balance of R500 and has an annual interest of 5%, If thebalance is greater than R10000 the annual interest is 7% and if the balance is greater than R50000 theannual interest is 8%An investment account must have a minimum balance of R100000 and the annual interest is 9%,Withdrawals cannot be made on an investment account.A check account can have a minimum balance of RO. The annual interest is 2% if the balance is greaterR20000. If the balance is greater than R100000 the annual interest can be 4%Each of the subclasses must have at least two constructors.The savings account, investment…Once an object name is declared, can it be reassigned to reference another object?Java programming This problem set will test your knowledge of System I/O, and variable assignment. Your task is to create several different java classes (.java files) that will produce a specific output based on the user input. All input will be given to you either as a command-line argument or typed in from the keyboard. Below you will find directions for each class you need to create. Please make sure that the class name and java file name match the name 1, ContainsAnyCase This program will accept two user inputted values that are strings. The first user input will be a single word the second user input will be a sentence of random words. This program should print "true" if the first word is in the sentence of words regardless of the casing. In other words case is ignored when checking if the word is within the sentence. The last string that this program should print is "true" or "false", nothing else. 2 PrintMathResult Write an application that will wait for three user inputted…