true of false: a) The first step in any programming task is to start coding. b) The only places we would ever want to put a comment in our code are above a method and above a class.
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true of false:
a) The first step in any
b) The only places we would ever want to put a comment in our code are above a method and above a class.
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- Coupling is the amount two methods or classes know about one another. The more they know about one another, the more tightly coupled the design. True/FalseClockPane.java, to add the animationinto this class and add two methods start() and stop() to start and stop theclock, respectively. Write a program that lets the user control the clock with theStart and Stop buttons, as shown in Figure a .# Coding - Simulate a robot Write a program that simulates the movements of a robot. The robot can have three possible movements: turn right turn left advance The robot is placed on a hypothetical infinite grid, facing a particular direction (north, east, south, or west) at a set of `{x,y}` coordinates,e.g., `{3,8}`, with coordinates increasing to the north and east. Create a Class `Robot` that contains a method `execute` which given a number of instructions will calculate the robot's new position, and the the direction in which it is pointing. ## Example The letter-string "RAALAL" means: Turn right Advance twice Turn left Advance once Turn left yet again Say a robot starts at `{7, 3}` facing north. Running this stream of instructions should leave it at `{9, 4}` facing west. ## Inputs and Outputs The argument of the `execute` is `string` in the format `X Y BEARING COMMANDS`. The method should return a one-liner `string` in the format `X Y BEARING`. In the…
- Laboratory Exercises – Java Lesson 5: Creating Classes and Objects 1 a . Create a class named Pizza. Data fields include String for toppings (such as “pepperoni”), an integer for diameter in inches (such as 12) and double for price (as in 13.99). Include methods to get and set values for each of these fields. b. Create a class named TestPizza that instantiates one Pizza object and demonstrates the use of the Pizza set and get methods.Java Programming problem Create a checking account class with three attributes: account number, owner’s name, and balance. Create constructor, getters and setters. If one is to set the initial balance of an account as a negative value in a setter or a constructor, remind the user about the error and set it as 0. Create a CheckingAccountDemo class, and create a main method in which Ask for the name, account number, and initial balance for one account from the keyboard input. With these input values as arguments in a call to the constructor, create a CheckingAccount object. Print the summary of this account that includes information on the name, account number, and balance by calling the getters.Create a World class and then create a hello world method. The hello world method needs to return the message filed that contains the message "Hello World".
- JAVA. THIS IS A PROGRAMMING ASSIGNMENT NOT A WRITING ASSIGNMENT IF YOU ANSWERED BEFORE DO NOT ANSWER AGAIN PLEASE DO NOT PASTE A PAPER Design a class to store the following information about computer scientists⦁ Name⦁ Research area(s)⦁ Major contribution A scientist may have more than one area of research.⦁ Implement the usual setters and getters methods ⦁ Implement a method that takes a research area as an input and return thenames of scientists associated with that area ⦁ Implement a method that takes a word as an input and return the names ofscientists whose contribution mention that word Next, perform desktop research to find at least five prominent black computerscientists, with their research area(s) and major contribution, and store this data intoobjects of the class you designed. You can just hardcode this data. No user input needed.Define JUnit tests to check your research area and contribution search methods.Class RightTriangle Represents a right triangle by the length of each of its two legs Includes the default and overloaded constructor, methods to set the length of each of the two legs, amethod to get the area, a method to scale the size of the triangle, a method to invert the triangle(swap the lengths of its two legs), and a method to print its dimensions.Class TestRightTriangle Creates and initializes two triangles. Calls the various associated methods to set its size, compute its area, scale its size, invert, and print itsdimensions.You are required to implement both classes according to the requirements specified in the commentsdisplayed in the .java files. The following is an example of possible output:triangle1 dimensions: 6.0 3.5triangle1 area: 10.5triangle2 dimensions: 3.0 4.0triangle2 area: 6.0triangle1 dimensions: 18.0 10.5triangle2 dimensions: 5.5 6.5triangle1 dimensions: 4.5 2.625triangle1 dimensions after invert: 2.625 4.5A few details: Do NOT modify any of the code…Instructions This assignment must follow directions exactly. Create a class Lab02 with a main method, and put all of the following code into the main method: Print the prompt shown below and ask the user for the number of exemptions. The number of exemptions is an integer. Print the prompt shown below and ask the user for their gross salary. The gross salary represents dollars, which can be entered with or without decimal points. Print the prompt shown below and ask the user for their interest income. The interest income represents dollars, which can be entered with or without decimal points. Print the prompt shown below and ask the user for their capital gains income. The capital gains represents dollars, which can be entered with or without decimal points. Print the prompt shown below and ask the user for the amount of charitable contributions. The charitable contributions represents dollars, which can be entered with or without decimal points. Perform the calculation of…
- Eclipise Exercise 1: Write a Java application that simulates a test. The test contains at least five questions about first three lectures of this course. Each question should be a multiple-choice question with 4 options. Design a Test class. Use programmer-defined methods to implement your solution. For example: create a method to simulate the questions – simulateQuestion create a method to check the answer – checkAnswer create a method to display a random message for the user – generateMessage create a method to interact with the user - inputAnswer Display the questions using methods of JOptionPane class. Use a loop to show all the questions. For each question: If the user finds the right answer, display a random congratulatory message (“Excellent!”,”Good!”,”Keep up the good work!”, or “Nice work!”). If the user responds incorrectly, display an appropriate message and the correct answer (“No. Please try again”, “Wrong. Try once more”, “Don't give up!”, “No. Keep…At most, a class can contain ____________ method(S). 0 1 2 any number ofA Private variable in a class can be accessed directly by a Public method in the same class. a. True b. False