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Create an abstract class called Aqualife.Aqualife has the following attributes:nameagelakeFishoceanFish
Aqualife defines 2 abstract methods called eats() and procreates().A third concrete method called breathes() displays that 'These creatures breathe from gills.'Create subclasses of Aqualife:FishWhale
Fish has an attribute which stores whether the fish is an herbivore or a carnivore. Its eats method checks whether herbivore or carnivore, and prints 'This fish eats veggies' for herbivores and 'This fish eats other fish' for carnivores. Its procreates method prints 'Fish lay eggs'.Whale has an attribute that specifies whether the whale is a blue whale or a killer whale. If the whale is a blue whale, it eats veggies, if it is a killer whale it eats meat. Its procreates method prints that whales are mammals. It overrides the breathes method from the parent class. This method must print 'These mammals breathe above water'.
Go online and search for information about security threats posed by Java applets and ActiveX controls. Note that most of these programs are small in size and downloaded onto computers over the Internet.
Write a program that prompts the salesperson for the name of the customer and the price of the textbooks sold to that customer.• The program should display the customer's name and the total compensation
1 introductionin order to debug an application it is sometimes useful to know where a given object comes from or where
Consider an array of integers as below: int[] a = {5, 2, -4, 3, 0, -5, 7, 11, 6, 13} Complete the method named count(int[] a) in the class Count. The method should return the number of positive numbers in the array
Write a Java program that declares an array alpha of 50 elements of type double. Initialize the array so that the first 25 elements are equal to the square of the index variable, and the last 25 elements are equal to three times the index variable. O..
Java program simulate a network
Write complete Java program to read, from keyboard, a student's first and last name and six grades. It will display on screen last name then first letter of first name with a period.
Populate a one-dimensional array with the following grades in this order: 93, 61, 72, 45, 84, 51, 70, 83, 96, and 66. Use a loop to call a method from main() that adds
Provide a way for the user to read a set of furnitures from a file and add them to the factorys assembly line queue - Create a generic queue class called MyQueue to implement the assembly line.
Creates an object of type Fahrenheit and an object of type Celsius - Accepts a single argument from the command line
Write a program to generate an ASCII-graphics of an equilateral triangle. The input to your program is a single integer number representing the length of the side of the triangle. This number must be 2 or larger.
What does the variable x contain at the end of each of these computations? If the code is not legal in Java, say so.
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