Recursion in Java

What is returned as a result of the call mystery(4,6)?

• 2
• 3
• 4
• 1

What is the output of this program?

• 0

• 1

• 120

• None of the above

What is the returned value of recMethod(5)?

• 68
• 70
• 75
• 82

What is the output of this program?

• 24

• 30

• 120

• 720

What is the action of method mystery2?

• a+b

• a*b

• a^b

• b^a

• a!

What is printed as a result of the call stringMaker("COMPSCI")?

• COMPSCI
  COMPSC
  COMPS
  COMP
  COM
  CO
  C
• COMPSCI
  OMPSCI
  MPSCI
  PSCI
  SCI
  CI
  I
• CO
  COM
  COMP
  COMPS
  COMPSC
  COMPSCI
• C
  CO
  COM
  COMP
  COMPS
  COMPSC
  COMPSCI

What is the action of method mystery3?

• a+b

• a*b

• a^b

• b^a

• a!

Which expression represents the result of calling recurs(11,4)? 

• x + y
• x * y
• x^y-2
• y^x+2

Why would you use a base case?

• So that the code loops forever

• So that the code does not loop forever

• Because coding

What value is returned as a result of the call mysterious(x)?

• x * (x+1)
• 2^x
• 2^(x-1)
• x³ +1