#054 Traversing 2D Arrays
Interactive Video
•
Computers
•
10th Grade
•
Practice Problem
•
Easy
Myra Deister
Used 7+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what index does an array in Java typically start?
1
-1
0
Depends on the array type
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which loop(s) is/are NOT mentioned in the video for traversing arrays?
For loop
For each loop
While loop
Do-while loop
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Java, 2D arrays are said to be:
Column major
Row major
Matrix major
Index major
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the .length property return for a 2D array in Java?
The total number of elements
The number of columns
The number of rows
The length of the longest row
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the common variable names used for row and column in the video?
x and y
i and j
row and col
r and c
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of arr.length for a 2D array where arr = {{1,2},{3,4},{5,6}}?
2
3
6
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