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Write a test program that prompts the user to enter two complex numbers and displays the result of their addition, subtraction, multiplication, division, and absolute value.
Design a class named Complex for representing complex numbers and the methods add , subtract , multiply , divide , and abs for performing complex-number operations, and override toString method for returning a string representation for a complex number. The toString method returns (a + bi) as a string. If b is 0 , it simply returns a . Your Complex class should also implement the Cloneable interface.
Provide three constructors Complex(a, b) , Complex(a) , and Complex() . Complex() creates a Complex object for number 0 and Complex(a) creates a Complex object with 0 for b . Also provide the getRealPart() and getImaginaryPart() methods for returning the real and imaginary part of the complex number, respectively.
You are to write a program to that finds lowest N closing Dow Jones Industrial averages and their dates in order by closing average. The program should prompt for the number of lowest closing averages requested by the user to be output.
Write a program that will read in a list of numbers, triple each number in the list and print the result - Write a program that will read in 2 numbers per line, and print the sum.
You will write a short Java application that will accept five strings from the user. Each String will be a word in a sentence.
Write a Java program to accept a day number from the user and display the corresponding day name by using the if/else construct
project will be to implement a shopping cart class with user interface (UI) that contains main() in Net Beans. The UI class will be used to perform user input/output and to invoke the appropriate methods of shopping cart class. When your program star..
Write a program that reads a number in feet, converts it to meters, and displays the result. One foot is 0.305 meters. INPUT and PROMPTS.The program prompts for the feet with the message "Enter a value for feet:
Write a JAVA program that finds the temperature that is the same in both Celsius and Fahrenheit
Create an application that generates a quiz. Prompt for the user's first and last name, college major, and confidence in test taking (high, medium, or low). The quiz should contain at least five true/false questions about horticulture. When the user ..
TCS is a full time courier and cargo dispatch agency for corporate companies around the world. It mainly deals with delivering and tracking the package delivered. TCS has its annual budget session during the end of year. With all the information prov..
Write a program that draws a picture of a house. It could be as simple as the accompanying figure, or if you like, make it more elaborate
However, I am told the above code would not be written by an experienced Java programmer because the showMessageDialog method is static within the class. How would a pro would write it?
Arrays of strings in C and C++ can also be initialized with string literals. In this case, the array is one of pointers to characters.
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