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You want to write a Java program that prints all command-line arguments separated by commas. Which code snippet correctly does this inside main?

hard📝 Application Q15 of 15
Java - Command Line Arguments
You want to write a Java program that prints all command-line arguments separated by commas. Which code snippet correctly does this inside main?
Afor(int i=0; i<args.length; i++) { System.out.print(args[i] + (i < args.length - 1 ? ", " : "")); }
Bfor(String arg : args) { System.out.print(arg + ", "); }
Cint i = 0; while(i <= args.length) { System.out.print(args[i] + ", "); i++; }
Dfor(int i=1; i<=args.length; i++) { System.out.print(args[i] + ", "); }
Step-by-Step Solution
Solution:
  1. Step 1: Understand the goal

    We want to print all arguments separated by commas without trailing comma.
  2. Step 2: Analyze each option

    for(int i=0; i
  3. Final Answer:

    for(int i=0; i<args.length; i++) { System.out.print(args[i] + (i < args.length - 1 ? ", " : "")); } -> Option A
  4. Quick Check:

    Loop with index and conditional comma [OK]
Quick Trick: Use index loop and add comma only if not last element [OK]
Common Mistakes:
  • Adding comma after last argument
  • Off-by-one errors in loops
  • Accessing array out of bounds

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