What is the correct way to print the number of command line arguments passed to a Java program?

easy📝 Conceptual Q2 of 15

Java - Command Line Arguments

ASystem.out.println(args.length());

BSystem.out.println(args.size());

CSystem.out.println(args.count);

DSystem.out.println(args.length);

Step-by-Step Solution

Solution:

Step 1: Recall how to get array length in Java
Arrays in Java have a length property (without parentheses) to get their size.
Step 2: Apply to args array
args is a String array, so args.length gives the number of command line arguments.
Final Answer:
System.out.println(args.length); -> Option D
Quick Check:
Array length property = args.length [OK]

Quick Trick: Use args.length to get command line argument count [OK]

Common Mistakes:

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