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Java Recursion Concept

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Questions to prepare for the quiz on recursion. Based on Java Concepts 4e by Cay Horstmann #computerscience #java #programming

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Questions 9

Answers

1
The final step in programming a recursive solution is...
returning the base case
thinking recursively
passing the simpler problem to the method by calling itself
writing another method for the simpler case
2
________ could result when there is no defined base case.
An infinite loop
An infinite recursion
A mutual recursion
An iterative solution
3
The second step in programming a recursive solution should be...
creating a syntax diagram
determining a way to get the problem closer to the base case
writing a iterative solution, because recursion is too hard
thinking recursively
4
What does mystery(4) print?
24
64
7
42
5
To program a recursive solution, one should start by...
thinking recursively
defining the simple base case and its return or output value
thinking up an iterative solution
using a syntax tree
6
A ____ computation solves a problem using the solution of the same problem with simpler values.
recursive
iterative
method
sentinel
7
What does mystery(6) return?
15
24
64
42
8
What is the base case?
x=0
x=1
x=2
x>0
9
The condition to terminate a recursion is known as...
the base case
permutation
the recursion helper
the recursive case