Trace the following recursive method for the function call “multiplyDigits(58746)” and show the output result.
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Question 1: Tracing Recursive functions
The solution can be handwritten
a) Trace the following recursive method for the function call “multiplyDigits(58746)” and
show the output result.
In step 2, I have provided OUTPUT along with purpose of given program----
In further steps, I have provided JAVA CODE along with CODE SCREENSHOT with OUTPUT-------------
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- Rewrite the following loops, using the enhanced for loop construct. Here, values is an array of floating - point numbers. a. for (int i = 0; i < values.length; i++) { total = total + values[i]; } b. for (int i = 1; i < values.length; i++) { total = total + values[i]; } c. for (int i = 0; i < values.length; i++) { if (values[i] == target) { save = i; }.Fib(n): IF n equal 0 Return 0 ELSE IF n equal 1 Return 1 ElseReturn Fib(n-1) + Fib(n-2) How many recursive calls does this method have and how can you tell?In java Reprogram the following iterative function with recursion. int f(int N) { int count, sum = 0; for (count = 0; count <= N; count++) sum = sum + count; return sum; }
- Write a recursive method called digitCount() that takes two integers, n and m as a parameter and returns the number of digits in n that are equal to m. Assume that n≥0 and 0≤m≤9 Ex: If the input is: 34443215 4 3 import java.util.Scanner; public class LabProgram { /* TODO: Write recursive digitCount() method here. */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int digits; int n= scnr.nextInt(); int m= scnr.nextInt(); digits = digitCount(n, m); System.out.println(digits); }}Java - Write an iterative method that calculates the SUM of all integers between 1 and a given integer N (input into the method). Write a corresponding recursive solution. (return answer, don’t print)Java - Write a method that uses a loop to figure out the factorial (n!). The method will take an integer n and return the value of n! (return answer, don’t print)
- java Write a recursive method largestDigitthat accepts an integer parameter and returns the largest digit value that appears in that integer. Your method should work for both positive and negative numbers. If a number contains only a single digit, that digit's value is by definition the largest. The following table shows several example calls: Call Value Returned largestDigit(14263203) 6 largestDigit(845) 8 largestDigit(52649) 9 largestDigit(3) 3 largestDigit(0) 0 largestDigit(-573026) 7 largestDigit(-2) 2 Obey the following restrictions in your solution: You may not use a String, Scanner, array, or any data structure (list, stack, map, etc.). Your method must be recursive and not use any loops (for, while, etc.). Your solution should run in no worse than O(N) time, where N is the number of digits in the number.Java - Write a method that uses a loop to figure out the factorial (n!). The method will take an integer n and return the value of n! (return answer, don’t print) Take the method above and convert it to a recursive method.Using java Declare an array of integers with size 10 and initialize the array with random numbers between 200-300. A for loop is needed, a random number generator is needed.
- Write a method that displays an n-by-n matrix usingthe following header:public static void printMatrix(int n)Each element is 0 or 1, which is generated randomly. Write a test programthat prompts the user to enter n and displays an n-by-n matrix. Here is asample run: Enter n: 3 ↵Enter0 1 00 0 01 1 1Write java program that generate two integer random numbers between 15 and 43 and printout the result of four operations between the two numbers, addition, subtraction,multiplication, division.The program must have the following methods:1- Method to generate a random number and return it.2- Method for addition operation accept two numbers and return back the result ofaddition operation.3- Method for subtraction operation accept two numbers and return back the result ofsubtraction operation.4- Method for multiplication operation accept two numbers and return back the result ofmultiplication operation.5- Method for division operation accept two numbers and return back the result of divisionoperation.6- Method to display the operation result which accept a string and three numbers.7- Main method to run the program by calling the above methods.Modify the Java CountByFives application so that the user enters the value to count by. Start each new line after 10 values have been displayed. public class CountByAnything { // Modify the code below public static void main (String args[]) { final int START = 5; final int STOP = 500; final int NUMBER_PER_LINE = 50; for(int i = START; i <= STOP; i += START) { System.out.print(i + " "); if(i % NUMBER_PER_LINE == 0) System.out.println(); } } }