java : cannot convert from String to int

Question

public class NewRoot {
    public static void main(String[] arguments){
        int number = arguments[0];
        System.out.println("The square root of"
                + number
                + " is "
                + Math.sqrt(number)
            );
}
}

eclipse shows an error saying

Type mismatch: cannot convert from String to int

even though I put 225 on an argument. What's wrong with my code?

use `int number = Integer.parseInt(arguments[0])` you can't cast `String` into `int` directly. — Braj, Aug 15 '14 at 05:22
it is because **String[]** parse the string to int as @user3218114 said — Ker p pag, Aug 15 '14 at 05:22

score 0 · Accepted Answer · answered Aug 15 '14 at 05:23

0

To convert String to integer,

int number = Integer.parseInt(arguments[0]);

answered Aug 15 '14 at 05:23

Wundwin Born

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_However, this throws a `NumberFormatException` and your program crashes._ – Unihedron Aug 15 '14 at 05:42
@Unihedron Yes `NumberFormatException` will throws if your argument is not the integer one. – Wundwin Born Aug 15 '14 at 05:54

java : cannot convert from String to int

1 Answers1