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EXERCISE 11. Explain the difference between formal parameters and actual parameters.2. How does Java transmit data by means of parameters?3. Define a method sum. This method expects two integers as parameters and returns the sum of the numbers ranging from the first Integer to the second one.4. What is the purpose of local variables?
EXERCISE 21. What are the lifetimes of an instance variable, a local variable, and a parameter?2. What is shadowing? Give an example and describe the problems that shadowing might cause in a program.3. Consider the following code segment: public class SomeClass {private int a, bpublic void aMutator(int x, y){ int c, d;<lots of code goes here>}a. List the instance variables, parameters, and local variables in this code.b. Describe the scope of each variable or parameter,c. Describe the lifetime of each variable or parameter.
Write a method heading for each method, write preconditions and postconditions for each method.
Write a program to read the names of users and number of units consumed and print out the charges with names. Use the concepts of classes.
Write a program in Java that uses priority queues of strings to sort lines of text in reverse alphabetic order. You may choose how you define alphabetic order.
write a point class that represents points on an x y axis. the data members should be doubles x and y plus an int value
Design a program that extends the definition of the class JFrame to display a window on the screen. Name your class PropertyTax1, title your window "Calculation of Property Taxes," set the window's width to 400 pixels and height to 300 pixels, and te..
For Exam 2, you were asked to outline the steps to create the drawing of a can For this exam, cr.te a program that allows the user to configure the drawing of a car. Your car should look somewhat like the car in the picture, but feel free to impro..
This lab is to introduce students to the concept of operator overloading as member functions of a class. This will be done in the context of creating a class that will perform four basic mathematical operations on complex numbers
Write a Java program to read the numbers from the disk file and store them in an integer array ( not an ArrayList ).
Please help write a java program using a graphical user interface that accepts user input of the amount of the mortgage, the term of the mortgage and the interest rate of the mortgage and display the payment.
Does class implement the interface - public class Junk implements Nonsense - public booloan giveBoolean
CS1110- create an array of objects and fill it from a file or the user input. All manufacturers have the same basic elements in the televisions they produce as well as many options.
Provide a comparator that compares strings that end in digit sequences in a way that makes sense to a human. First compare the part before the digit as strings
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