Question

I am trying to print an int[] array from a seperate method in the same class.

public class LargeInteger {

    public LargeInteger(String s) {

        int[] intArray = new int[s.length()];

        for (int i = 0; i < s.length(); i++) {
            intArray[i] = Character.digit(s.charAt(i), 10);
        }
    }

    public Object display() {

         for (int i = 0; i < intArray.length; i++) {     
                System.out.print(intArray[i]);
            }
    }   
}

My intArray is clearly being hidden from the display method, but I am not sure what to do

Answer 1

I will give you the answer but you should first invest some time to look up your problem on google. Google knows “almost” everything…

public class LargeInteger {

    private int[] intArray;

    public LargeInteger(String s) {

        intArray = new int[s.length()];

        for (int i = 0; i < s.length(); i++) {
            intArray[i] = Character.digit(s.charAt(i), 10);
        }
    }

    public void display() {

         for (int i = 0; i < intArray.length; i++) {     
                System.out.print(intArray[i]);
            }
    }   
}

And your display method should be void if it isn’t returning anything..