Computers and Technology

Computers and Technology, 07.08.2019 21:30, offensiveneedle

Add a suitable display() method to your child undergraduate class that overrides the display() method in the parent student class. to follow best practice, the display() method in the child class should call the display() method in the parent class, to avoid duplicating any code.

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Computers and Technology, 17.09.2019 21:00, sydneyharding36191

Create a class named collegecourse that includes data fields that hold the department (cmps), the course number (1302), the credit hours (3), and the fee for the course ($360). all of the fields are required as arguments to the constructor, except the fee, which is calculated at $120 per credit hour. include a display() method that displays the course data. create a subclass (child class) named labcourse that adds $50 to the course fee for lab material. override the parent display() method to indicate that the course is a lab course and to display the updated course fee. write an application name usecourse that prompts the user for course information. if the user enters a class in any of the following departments (biol, chem, cmps, phys), create a labcourse; otherwise create a collegecourse. then display the course information. save the files as collegecourse.java, labcourse.java, usecourse upload or copy the java file into the dropbox and submit

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Engineering, 06.11.2019 19:31, oofoofoof1

Write 3 classes with three levels of hierarchy: base, derive (child of base), and d1 (child of derive class). within each class, create a "no-arg" method with the same signature (for example void m1( ) ). each of this method (void m1( ) ) displays the origin of the class type. write the testdynamicbinding class: (the one with the ‘psvm’ ( public static void main (string[] args)) to display the following. you are not allowed to use the "standard object.m1() "to display the message in the main(…) method. that would not be polymorphic! (minus 10 points for not using polymorphic method) explain why your solution demonstrates the dynamic binding behavior

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Engineering, 08.11.2019 19:31, krystalScott17

Iused this program (nogo.java) for one of my cs2 java lab exercises. there are number of steps that you need to do along the way to collect points. the given nogo class has two abstract classes (nogo1, nogo2) and an empty static main() method. nogo.java has no compile error, and you can run nogo.java without runtime error. it does not display any messages. your task is to add codes along the following steps: 1) create instance variables for the two classes (nogo1, nogo2) and explain the outcome. 2) create a subclass gol with nogo1 as its parent and create a constructor that prints the "go1 ()" message 3) create an instance of go1 in run it, explain the outcome 4) in the nogo2 class, add an abstract method. 5) create a new class go9 that extends the nogo2 class and write a method that overrides the method that you created in step 4. this new method displays "get x out of abstraction" where x is the method name. the constructor for g09( ) displays "g09( ". 6) in the main() method, add some codes to invoke the method x. your final display should be: nogo1() go1() goo() get me() out of abstraction ** me() is my method. yours should be different.

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