2d array Java
Assessment
•
Sheryl Edwards
•
Mathematics, Science, Computers
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10th - 12th Grade
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138 plays
•
Medium
Student preview
3 questions
Show answers
1.
Multiple Choice
Which of the following statements correctly declares a two-dimensional integer array?
int Matrix[ ] = new int[5,4];
int Matrix[ ]; Matrix = new int[5,4];
int Matrix[ ][ ] = new int[5][4];
int Matrix[ ][ ] = int[5][4];
2.
Multiple Choice
How would you get the value 6 out of the following array int[][] a = {{2, 4, 6, 8}, {1, 2, 3, 4}};? Remember each set of curly braces represents a row, or a single dimensional array.
a [0][3]
a [1][3]
c) a[0][2]
d) a[2][0]
e) a[3][1]
3.
Multiple Choice
How many columns does a have if it is created as follows
int[][] a = {{2, 4, 6, 8}, {1, 2, 3, 4}};?
3
4
2
1
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