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QUESTION #1 (SELF-CHECK)
SOLUTIONS
Fill in the
blanks.
a) The first element in an array has
index number 0.
b) The last element in an array
containing 35 elements has index number 34.
c) An array of length 12 will have
elements with indexes ranging from 0 to 11.
d) True or false? If attempting to access the element with
index 20 in an array of length 20, you will get an out of bounds
error. True
e) The length of an array or the size
of an array refers to the number of elements in the array.
f) True or false? An array in Java can be resized. False
g) True or false? An array in Java can be given a size at
run-time. True
h) For an array called data, we can check the number of
elements in it by using data.length.
i) The line int x;
declares an integer variable named x. What line of the code declares an integer
array name numbers? int[] numbers;
j) If grades is a double array, then we can
get a String representation for that array by using Arrays.toString(grades).
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