Java - Command Line Arguments
What is the correct way to access the first command-line argument in a Java program inside the
main method?What is the correct way to access the first command-line argument in a Java program inside the main method?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the type of
Theargsargsparameter inmainis an array of strings.Step 2: Access array elements in Java
Array elements are accessed using square brackets with the index inside, starting at 0.Final Answer:
args[0] -> Option BQuick Check:
Array access uses square brackets [OK]
Quick Trick: Use square brackets to access array elements in Java [OK]
Common Mistakes:
- Using parentheses instead of square brackets
- Trying to call methods like first() on array
- Using get() which is for lists, not arrays
Master "Command Line Arguments" in Java
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