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Define a class called Counter. An object of this class is used to count things so it records a count that is a non-negative whole number. Include methods to set the counter to 0, to increase the counter by 1, and to decrease the counter by 1. Be sure that no method allows the value of the counter to become negative. Also include an accessor method that returns the current count value, as well as a method that displays the count on the screen. Do not define an input method. The only method that can set the counter is the one that sets it to zero. Write a program to test your class definition. (Hint: you need only one instance variable).
Write a program in which a ball is released from a user-defined height and free-falls to the ground. The ball is pulled by earth's gravity of 9.8 m/sec 2 . Assume that each pixel represents
It inherits the functionality of super class Package and contains an additional data member representing an additional fee per ounce charged for overnight-delivery service.
A JSP expression can contain any Java expression that evaluates to a
Write a class Array that encapsulates an array and provides bounds-checked access. Create a recursive factorial program that prompts the user for an integer N and writes out a series of equations representing the calculation of N!.
The Table Q3 on the next page is the code of a class named Circle. Study the code and implement the operator overloading for these relational operators ( , >=) for the Circle class. Then, write a test program that creates two instances of the Circle ..
Write a recursive method to produce a pattern of n lines of asterisks.
Using an array in Java - have a list of keywords from a web service and have to print out the list of keywords on the screen with one keyword on each line. This is my code
Implement a class Student. For the purpose of this exercise, a student has a name and a total quiz score. Supply an appropriate constructor and methods getName( ), addQuiz(int score), getTotalScore( ), and getAverageScore ( ).
Now implement the method summarizeSequences that takes a String as a parameter. This method should open the file named by this String, and read a sequence from that file into an array list using the getSequence method you wrote above
How do you make a row with different string names and put a certain amount of space between each one?
Write a sequence of Java statements that report the last letter of each word in the string.
The class overloaded constructor receives a 2-dim int array as a parameter and assigns its values to a private 2-dim int array. Have another method that prints the whole 2-dim table.
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