1. Copy the file Recursion.java (see Code Listing 16.1) from the Student Files or as directed by your instructor. 2. Run the program to confirm that the generated answer is correct. Modify the factorial method in the following ways: a. Add these lines above the first if statement: int temp; System.out.println ("Method call -- " + "calculating " + "Factorial of: " + n); Copyright © 2019 Pearson Education, Inc., Hoboken NJ b. Remove this line in the recursive section at the end of the method: return (factorial (n 1) * n); c. Add these lines in the recursive section: temp = factorial (n 1); System.out.println ("Factorial of: " + (n - 1) + " is " + temp); return (temp * n); 3. Rerun the program and note how the recursive calls are built up on the run stack and then the values are calculated in reverse order as the run-time unwinde"

1. Copy the file Recursion.java (see Code Listing 16.1) from the Student Files or as directed by your instructor. 2. Run the program to confirm that the generated answer is correct. Modify the factorial method in the following ways: a. Add these lines above the first if statement: int temp; System.out.println ("Method call -- " + "calculating " + "Factorial of: " + n); Copyright © 2019 Pearson Education, Inc., Hoboken NJ b. Remove this line in the recursive section at the end of the method: return (factorial (n 1) * n); c. Add these lines in the recursive section: temp = factorial (n 1); System.out.println ("Factorial of: " + (n - 1) + " is " + temp); return (temp * n); 3. Rerun the program and note how the recursive calls are built up on the run stack and then the values are calculated in reverse order as the run-time unwinde"

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

n-1
Geometric (n) =
i=1
i=1
1
1
*
n-1
П
%3D
Harmonic (n) =
i=1
n
Let's look at examples.
If we use n = 4, the geometric progression would be 1 * 2 * 3 * 4 = 24, and the harmonic
1.1.1
1
progression would be 1*
-= 0.04166.
2 3 4 24
Task #1 Tracing Recursive Methods
1. Copy the file Recursion.java (see Code Listing 16.1) from the Student Files or
as directed by your instructor.
2. Run the program to confirm that the generated answer is correct. Modify the
factorial method in the following ways:
a. Add these lines above the first if statement:
int temp;
System.out.println ("Method call --
" +
"calculating "
"Factorial of: " + n);
+
Copyright © 2019 Pearson Education, Inc., Hoboken NJ
b. Remove this line in the recursive section at the end of the method:
return (factorial (n - 1) * n);
c. Add these lines in the recursive section:
temp = factorial (n - 1);
System.out.println ("Factorial of: "
(n - 1) + " is "
temp);
return (temp * n);
3. Rerun the program and note how the recursive calls are built up on the run-time
stack and then the values are calculated in reverse order as the run-time stack
"unwinds".

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