a. Write Java classMessage that automatically gives each created Message object a unique serial number, starting at 1 for the first message. (Hint: static) b) Write statements that create three Message objects. Show and explain serial numbers for these objects.
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- a. Write Java classMessage that automatically gives each created Message object a unique serial number, starting at 1 for the first message. (Hint: static)
b) Write statements that create three Message objects. Show and explain serial numbers for these objects.
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- JAVA - Please produce both a product.java file and a productprinter.java file (tester) Implement a class Product. A product has a name and a price, for example new Product("Toaster", 29.95). Supply methods getName, getPrice, and reducePrice. Supply a program ProductPrinter that makes two products, prints each name and price, reduces their prices by $5.00, and then prints the prices again.Please answer the question in the screenshot. The language used is Java. Please provide the code to the question with an explanation. Please use the below code as a starting point. import java.util.*; public class CoursePlanner {// this method prints out: whether it is possible to take all the given courses and// one possible schedule for the given coursespublic static void plan(int numberOfCourses, int[][] prerequisites) {return;} // this is a helper method for plan; it returns a boolean to indicate if a given series of courses can be possibly scheduledpublic static boolean check(int numberOfCourses, int[][] prerequisites) {// remove these two linesif (RightSolution.check(numberOfCourses, prerequisites)) return false;else return true;}}(a). Write a java class to accept three numbers form the user and find the expression as (a+bic) (b). Find the errors from the following code and write the correct program. Each progran has hwo errors public dlass JavaDemo public static void main(Stringl ags) ( int i= a" system.out printin(Helo word),
- What is the output for the following java code?Is the static block always run execute first in java. Explain it with java code. Considering a class with one variable and static block.explain both conditions when static execute first and other is when the static block does not executeuse JAVA, please Use of Classes, methods, and various control statements Scenario: A registration officer in an academic institution wants to display the Student transcript in a given semesterafter entering the required student details. A student is characterized by an ID, full name, the semester inregistered in, gender, and age. The student can take 4 modules every semesterand has two assessments in each module. You are requested to write the program that will help the officer to display the indicated transcript usingClasses, methods, arrays, and various control statements. The following shows an example of the execution of this program.Question: A) Create the class which must have a normalconstructor and 5 attributes mentioned in the scenario!Note: The marks of the student in different modules must be stored using arrays. b. Include proper methods for setting and getting the attributes of the class .c. In the class, create a method using the array conceptand any type of…
- use JAVA, please Use of Classes, methods, and various control statements Scenario: A registration officer in an academic institution wants to display the Student transcript in a given semesterafter entering the required student details. A student is characterized by an ID, full name, the semester inregistered in, gender, and age. The student can take 4 modules every semesterand has two assessments in each module. You are requested to write the program that will help the officer to display the indicated transcript usingClasses, methods, arrays, and various control statements. The following shows an example of the execution of this program.Question: A) Create the class which must have a normalconstructor and 5 attributes mentioned in the scenario!Note: The marks of the student in different modules must be stored using arrays. b. Include proper methods for setting and getting the attributes of the class .c. In the class, create a method using the array conceptand any type of…Correct the following wrong statements. 1. do … while repetition statement gives full control on the code block to be repeated.2. In Java, once a variable is declared in a method as local variable, it will be visible and couldbe used in any other method in the program.3. All binary operators except for the assignment operators are evaluated as user intention.4. In Java, byte code is translated to native code by java compiler.5. Each row in a single dimensional array could be dealt with as 2-dimensional array.6. The indices of elements in a single dimensional array named arrElem are from 1 toarrElements[]length.7. In Java, method overloading means that a program may contain more than one methodwith same signatures. Each column in a 2D array could be dealt with as 1D array.8. The following statement creates and initializes the 2-dimensional array values:short values[][] = {10, 20, 30, 40, 50};9. A ragged 2D array is a 2D array in which each row may contain the same number ofcolumns.10.…(iv) Write a public instance method addProgrammeItem() that takes a Music argument representing a musical work and returns no value. As long as the running time of the concert will not exceed MAX_LENGTH by adding the item to the programme, the Music object is added to the programme. If it would make the running time too long, the message "Running time exceeded" is printed instea
- Q1. Write two Java classes for calculating the power m" using the recursive method as follow: Class A A. Define two private variables in the class: names n and m. B. Define a constructor takes two parameters m and n and assign them to the class variables. C. Define setter and getter methods. D. Define a recursive method which take two parameters n, m and calculates the power using recursion. Class B: A. Define the main method. B. Define an object of class A and call its constructor which takes two parameters C. Call all the defined methods in Class A. Send the values 4,5 when call the recursion method. Attach File Browse My ComputerOBJECT-ORIENTED PROGRAMMING. CS 102 Wednesday, 6 October, 2021 1. Write a Java program that creates two variables of type integer, named as num 1 and num 2. Get their values from user and then print the result of the following arithmetic operations in separate lines: a. Addition b. Subtraction c. Multiplication d. Division e. Remainder f. Average Java Code:- Write a java program that accepts a sentence from the user and prints out the sentence with all uppercase letters changed to lowercase and all lowercase letters changed to uppercase. Repeat the operation until “???” string is entered. For example: Please enter a string …… HelLo hELlO Please enter a string …… ??? Done