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- MethodsJava Write the appropriate method headings using the provided method name for the following processes:1.) Given the radius of a circle, print the area of a circle - printArea. 2.) Accept an integer, compute for the square of the number and return the String equivalent of the square of the number - makeString 3.) Calculate and return the sum of two decimal numbers - getSum. 4.) Given a student’s name and three test scores (of type int), print the student’s name and average test score - printStudentDetails. 5) Compute and return the average speed of a car, given the distance traveled (as type double) and traveling time (in hours and minutes, both of type int) - getAverageSpeed.Fill in the parameters in the second method header for the overloaded method printCourse(). The number, type, and order of the method parameters are indicated in the method call from main(). Ex: If the input is 82 Ethics, then the output is: Ethics grade: 82 Immunology grade: 87 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 System.out.println(courseName+" grade: "+grade); } publicstaticvoidprintCourse(/* Your code goes here */) { System.out.println("Immunology grade: "+inputGrade); } publicstaticvoidmain(String[] args) { Scannerscnr=newScanner(System.in); intgrade; StringcourseName; grade=scnr.nextInt(); courseName=scnr.next(); printCourse(grade, courseName); printCourse(87); // Overloaded method called } }Write a method with the following header to display threenumbers in decreasing order:public static void displaySortedNumbers(double num1, double num2, double num3)Write a test program that prompts the user to enter three numbers and invokes themethod to display them in decreasing order.
- What value is returned from the following method? public static double methodA() { double a = 8.5 + 9.5; return a; }The following Java code is poorly structured. Rewrite it so that it has a better structure and avoids redundancy. To help eliminate redundancy, convert the code into a method named spending that accepts two parameters: a Scanner for the console, and a String for a single person's name, and prints the appropriate information about that person's bills. Your method could be called twice (once for John and once for Jane) to replicate the original code's behavior. public void spending(Scanner console,String name) { System.out.print("How much will " + name + " be spending?"); double amount = console.nextDouble(); System.out.println(); int numBills = (int) (amount / 20.0); if (numBills * 20.0 < amount) { numBills++; } System.out.println(name + " needs " + numBills + " bills"); } The code above is all I was given to work with, which is why I'm a bit confused and need help. Thank you.The following code is poorly structured. Rewrite it so that it has a better structure and avoids redundancy. To help eliminate redundancy, convert the code into a method named spending that accepts two parameters: a Scanner for the console, and a String for a single person's name, and prints the appropriate information about that person's bills. Your method could be called twice (once for John and once for Jane) to replicate the original code's behavior.
- what is the java code for the class and Write one or more tests that check that the method works as specified in all cases? intro: A Fibonacci series is a popular sequence of numbers. The first two numbers of this series are 0 and 1. After this, the next Fibonacci number is obtained by adding the previous two. Thus the Fibonacci sequence is 0,1,1,2,3,5,8,13,... A Fibonacci counter is a machine that counts Fibonacci numbers. Much like a step tracker, it can be started at any count. It can be incremented or decremented by 1 (count falling below 0 is invalid). Given a number ’n’, the nth Fibonacci number can be calculated directly using Binet’s formula: ???(?)=15√((1+5√2)?−(1−5√2)?) what to do: Write a class FibonacciCounter that represents a single Fibonacci counter. This class should contain the following: A constructor that takes the initial count value and initializes the object appropriately. A method that returns a FibonacciCounter object with its count incremented by 1. A…If the value passed into the parameter x in the following method is 28. What is the value returned by this method? public static int method2(int x) { int code = x%3; switch (code) { case 2: return 50; break; case 1: return 75; break; case 0: return 100: } }Write a method with the following header to display an integer in reverse order: public static void reverse(int number) For example, reverse(3456) displays 6543. Write a test program that prompts the user to enter an integer then displays its reversal
- Write a program, named UpdatedNumbers with the following method: Write a method to check whether a number odd or even Get the integer value into the method as oNumbers(number); In “oNumbers”, check the number whether it is an odd or even number; Then, return a Boolean value from the methodCreate a method in java that takes a value and indicates whether it is positive or negative by a return a Boolean value. Declared as: boolean is positive (float a) (with a screenshot of the code please)If the value passed into the parameter x in the following method is 10. What is the value returned by the method? public static int fun3(int x) { int y = 1; for (int i =x; i > 0; x -= 2) y = y*i; return y; }
