You want to write a Java method that calculates the sum of numbers from 1 to n using recursion. Which call stack behavior should you consider to avoid errors?

hard📝 Application Q8 of 15

Java - Methods and Code Reusability

AUse infinite recursion to ensure all numbers are summed

BAvoid using recursion to prevent any call stack usage

CInclude a base case to stop recursion and prevent stack overflow

DClear the call stack manually after each recursive call

Step-by-Step Solution

Solution:

Step 1: Understand recursion requirements
Recursion must have a base case to stop calling itself, preventing infinite calls.
Step 2: Call stack impact
Without a base case, the call stack grows until overflow error occurs; with base case, recursion ends safely.
Final Answer:
Include a base case to stop recursion and prevent stack overflow -> Option C
Quick Check:
Base case prevents stack overflow in recursion = A [OK]

Quick Trick: Always add base case to stop recursion safely [OK]

Common Mistakes:

Ignoring base case leading to infinite recursion
Thinking call stack can be manually cleared
Avoiding recursion unnecessarily

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More Java Quizzes

You want to write a Java method that calculates the sum of numbers from 1 to n using recursion. Which call stack behavior should you consider to avoid errors?

Step 1: Understand recursion requirements

Step 2: Call stack impact

Final Answer:

Quick Check:

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