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What is a common use of command line arguments in Java?

easy📝 Conceptual Q2 of 15
Java - Command Line Arguments
What is a common use of command line arguments in Java?
ATo input data without user interaction during program run
BTo create new Java classes automatically
CTo compile Java code faster
DTo change the Java version used
Step-by-Step Solution
Solution:

  1. Step 1: Identify what command line arguments do

    They provide input data to the program at launch, avoiding the need for interactive input during execution.

  2. Step 2: Match this with the options

    Only To input data without user interaction during program run correctly describes this use. Others are unrelated to command line arguments.

  3. Final Answer:

    To input data without user interaction during program run -> Option A

  4. Quick Check:

    Use of command line arguments = Input data at start [OK]
Quick Trick: Command line args provide input before program runs [OK]
Common Mistakes:
  • Confusing with compilation process
  • Thinking it changes Java version
  • Assuming it creates classes

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