/**
 * Showing java definite initialization for variables 
 * and default initialization of arrays
 * Arrays of objects initialized to null
 * 
 * gTowell
 * Nov 2023
 */
public class CArray {
    public static void main(String[] args) {
        //double dd; // error: variable dd might not have been initialized
        double dd = 0.0; // does this mean "I do not know yet?"
        System.out.println("dd" + dd);

        double[] dA = new double[3];
        for (int i = 0; i < dA.length; i++) {
            System.out.println("dA " + i + " " + dA[i]);
        }

        //String ss; // error: variable ss might not have been initialized
        String ss = "";
        System.out.println("ss <<" + ss + ">>");
        String[] ssA = new String[3];
        for (int i = 0; i < ssA.length; i++) {
            System.out.println("ssA " + i + " " + ssA[i]);
        }
    }    
}