Java - Command Line Arguments
Why does the Java main method require command line arguments to be of type String array instead of other types like int or char?
Why does the Java main method require command line arguments to be of type String array instead of other types like int or char?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand how command line arguments are passed
The operating system passes command line arguments as text strings to the program.Step 2: Reason why String array is required
Since arguments are text, Java uses String[] to receive them. Conversion to other types is done inside the program if needed.Final Answer:
Because command line arguments are passed as text strings by the operating system -> Option CQuick Check:
Command line args are text strings, so main uses String[] [OK]
Quick Trick: OS passes args as strings; convert inside program if needed [OK]
Common Mistakes:
- Thinking Java can't use int or char arrays
- Believing main can't accept primitive arrays
- Assuming String arrays are faster
Master "Command Line Arguments" in Java
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