True or False: In Java, array indexes are zero-based. True False Question 21 pts Which of the
Question:
True or False: In Java, array indexes are zero-based.
True |
False |
Question 21 pts
Which of the following will correctly create an array of 8integers in Java?
int[ ] myArray = new int[7]; |
int[ ] myArray = new int[9]; |
int myArray = new int[8]; |
None of these. |
int[ ] myArray = new int[8]; |
Question 31 pts
True or False: The major advantage of Arrays over ArrayLists inJava is the fact that while ArrayLists are fixed in size, an Arraycan increase or decrease in size as needed.
True |
False |
Question 41 pts
Given the following array declaration and instantiation in Java,what is the index of the last value in the array?
int[ ] myArray = new int[3];
No array will be created. |
0 |
2 |
1 |
3 |
4 |
1 pts
Given the following array declaration and instantiation in Java,what is the index of the last value in the array?
int myArray = new int(3);
0 |
3 |
4 |
2 |
1 |
No array will be created. |
1 pts
Given the following array declaration and instantiation in Java,what is the index of the first value in the array?
int[ ] myArray = new int[3];
1 |
4 |
0 |
3 |
2 |
No array will be created. |
Question 71 pts
Consider the following small Java program. What will the outputbe?
public class Driver { public static void main(String[ ] args) { int[ ] x = {6,9,2,3,8,1,4,7,5}; System.out.println(x[5]); }}
8 |
4 |
5 |
1 |
9 |
6 |
7 |
2 |
There will be no output. |
3 |
Question 81 pts
Consider the following small Java program. What will the outputbe?
public class Driver { public static void main(String[ ] args) { int[ ] x = {6,4,9,2,1,8,5,7,3,0}; int a = 3; System.out.println(x[a + 1]); }}
3 |
5 |
0 |
1 |
9 |
There will be no output. |
6 |
2 |
7 |
8 |
4 |
Question 91 pts
Consider the following small Java program. What will the outputbe?
public class Driver { public static void main(String[ ] args) { int[ ] x = {6,4,9,2,1,8,5,7,3,0}; int a = x[3]; System.out.println(x[a + 3]); }}
0 |
3 |
There will be no output. |
5 |
8 |
4 |
1 |
7 |
2 |
6 |
9 |
Question 101 pts
Consider the following small Java program. What will thecontents of the array x be when the code finishesrunning?
public class Driver { public static void main(String[ ] args) { int[ ] x = {3,1,5,2,4}; int a = 0; for (int index = 0; index < x.length - 1; index++) { if ( x[index] > x[index + 1]) { a = x[index]; x[index] = x[index + 1]; x[index + 1] = a; } } }}
1,2,4,3,5 |
1,3,2,5,4 |
None of these. |
3,1,2,4,5 |
1,3,2,4,5 |
2,1,3,5,4 |
3,4,1,5,2 |
2,1,3,5,4 |
5,4,3,2,1 |
1,2,3,4,5 |
Engineering Economy
ISBN: 978-0132554909
15th edition
Authors: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling