Cannot invoke method on the array type int[]

Question

I have a class listed as such:

public class Something {

private int foo;
private int bar;
private int [] array = new int [16];

public Something()
    {
    foo = 0;
    bar = 0;
    for (int i =0; i < array.length; i++)
        {
        array[i] = 0;   
        }
    }

I want to break the array iteration into a separate method so I can reuse or re-invoke it throughout my program something like this:

public void arrayItteration(){
    for (int i =0; i < array.length; i++)
    {
        array[i] = 0;   
    }
}

Then I want to call it inside my public method such as:

public Something()
    {
    foo = 0;
    bar = 0;
    int [] arrayOp = array.arrayItteration();
    }

Ive tried the solution here: Cannot invoke my method on the array type int[] by adding this. but its still not working. I have my setters and getters for all available variables. Im sure theres an easy fix to this but please let me know if theres a way around it.

Thank you

Arrays.fill(array, 0);

Elliott Frisch
– Elliott Frisch

2016-07-10 20:53:27 +00:00
Commented Jul 10, 2016 at 20:53 — Elliott Frisch
– Elliott Frisch, Commented Jul 10, 2016 at 20:53

luk2302 · Accepted Answer · 2016-07-10 20:39:57Z

1

You are mixing a few wrong things here:

calling a custom method arrayItteration on a regular int[]-array
trying to assign the void return value to anything
you needlessly try to get a reference to the some class member

Simplest fix:

simply call the method
do not assign the return value
do not introduce a new local variable

That yields:

public Something() {
    foo = 0;
    bar = 0;
    arrayItteration();
}

edited Jul 10, 2016 at 20:39

answered Jul 10, 2016 at 20:36

luk2302

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2 Comments

jthedudeoflife Over a year ago

gahhh....knew it would be that easy. Thanks I come from a Ruby background im used to assigning a reference to everything. Much appreciated.

luk2302 Over a year ago

@user3670893 you could create a method, that returns a new initialized array and assign that return value to array. But if your method is void you cannot even assign the return value to anything.

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