A ____ under a variable in the Code Editor window indicates that it has not been declared.

The default file format in Access 2013 is the .accdb extension

Indicate whether the statement is true or false

Analyze the following code.

``` public class Test { public static void main(String[] args) { int[] x = new int[3]; System.out.println("x[0] is " + x[0]); } }``` a. The program has a compile error because the size of the array wasn't specified when declaring the array. b. The program has a runtime error because the array elements are not initialized. c. The program runs fine and displays x[0] is 0. d. The program has a runtime error because the array element x[0] is not defined.