Recursive Trace Java

Recursive Trace Java

Assessment

Interactive Video

Computers

9th - 12th Grade

Easy

Created by

Myra Deister

Used 2+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the recursive method discussed?

recursion

mystery

trace

integer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the base case for this recursive method?

If n is greater than zero

If n is equal to zero

If n is less than zero

If n is a positive number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value does the method return in the base case?

0

1

2

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many recursive calls does this method make in its recursive case?

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What initial value of n is used to trace through the method?

2

3

4

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the recursive calls made when n is 2?

mystery(1) and mystery(-1)

 mystery(1) and mystery(0)

mystery(0) and mystery(-2)

mystery(2) and mystery(-1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of mystery(0)?

2

4

6

8

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of mystery(3)?

8

10

12

14

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Based on the entire video, which of the following best describes the process of tracing a recursive method?

It always results in a simple, linear sequence of calculations

 It requires solving each branch independently without any relation to other branches

It involves following multiple branches but can use results from previously solved branches to simplify later calculations

It is impossible to trace without a computer