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Identify the error in this method:

medium📝 Debug Q6 of 15
Java - Methods and Code Reusability
Identify the error in this method:
public int calculate() {
  int result = 10;
  if (result > 5) {
    return result;
  }
}
AMissing return statement for all paths
BIncorrect return type
CVariable result not initialized
DSyntax error in if statement
Step-by-Step Solution
Solution:
  1. Step 1: Check all code paths for return

    The method returns inside the if block, but if condition is false, no return occurs.
  2. Step 2: Understand Java method return rules

    Non-void methods must return a value on all paths; missing return causes compilation error.
  3. Final Answer:

    Missing return statement for all paths -> Option A
  4. Quick Check:

    All paths must return value in non-void method [OK]
Quick Trick: Ensure every path returns a value [OK]
Common Mistakes:
  • Assuming if covers all cases
  • Ignoring missing return outside if
  • Confusing return type with variable initialization

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