Accessing arrays with methods

Question

Hi guys i\'m just starting to learn Java, and I wondering how can I access an array that was declared in a method from another method? The design look like this:

Answer 1

Read about scope of variables in java. This is link I could find on quick Google search. http://www.java-made-easy.com/variable-scope.html

You can declare the array at class level then it is accessible in all methods.

    public class Arrays {
    int arraysize = 2;
    private float[] array = null;

    public void initializeArray() {
        array = new float[arraySize]; // Declare array
    }

    public void accessArray() {
        // access array here.
    }
}

Or You can pass the variables in method.

    public class Arrays {
    int arraysize = 2;

    public void initializeArray() {
        float[] array = new float[arraySize]; // Declare array
        accessArray(array);
    }

    public void accessArray(float[] array) {
        // access array here.
    }
}

Given the amount of information, I have from question, approach 1 seems better than 2.