LLD - Behavioral Design Patterns — Part 1
In a Command interface, which of the following correctly defines the
execute method signature in Java?In a Command interface, which of the following correctly defines the execute method signature in Java?
easy🧠 Conceptual Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Command interface method
The Command interface typically declares an execute method with no parameters and no return value.Step 2: Match method signature
void execute(); matches the standard signature:void execute();Final Answer:
void execute(); -> Option DQuick Check:
Command execute method usually returns void [OK]
Quick Trick: Command execute method is void with no parameters [OK]
Common Mistakes:
MISTAKES- Adding parameters or return types to execute method
- Confusing execute with other method signatures
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