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Java Java Objects Delivering the MVP Forum

Julian Rios
Julian Rios
3,458 Points
Posted by Julian Rios
Julian Rios
3,458 Points

Why is the args array used to pass in the firstName and lastName into the user?

I am not sure why this challenge used the args array to pass in the parameters for the user? I was trying to use a string with my first name and last name instead.

1 Answer

Linda de Haan
Linda de Haan
12,413 Points
Linda de Haan
Linda de Haan
12,413 Points

I think this challenge wants to demonstrate that you can pass in values into the main methods parameters when running the program from the console. For example, if you run a program called Example with two parameters like this:

java Example hello world

hello and world are the parameters. The length of String[] args is now 2. So you can do:

if (args.length == 2) {
    System.out.println(args[0] + " " + args[1]);  // that prints 'hello world'
}
Julian Rios
Julian Rios
3,458 Points
Julian Rios
Julian Rios
3,458 Points

That makes it so much clearer now thank you!