WorksheetsTopic 7-2: 2D Array
Total questions: 6
Worksheet time: 4mins
Name
Class
Date
1.
Given the code, what is in values[2][1] ?
a)
8.0
b)
8
c)
4
d)
2.0
2.
Given the code, what is the value of values.length ?
a)
6
b)
3
c)
9
d)
7
3.
Given the following:
double [][] stuff ;
Which of the following statements constructs an array with 5 rows of 7 columns?
a)
stuff = new stuff[5][7] ;
b)
stuff = new double[5][7] ;
c)
new stuff = double[5][7] ;
d)
stuff = double new[5][7] ;
4.
What is the output of this code?
a)
1 2 3 4 5 7 8
b)
5 7 8
c)
7 8
d)
There are errors in the code
5.
Which of the following statements correctly declares a two-dimensional integer array?
a)
int Matrix[ ] = new int[5,4];
b)
int Matrix[ ]; Matrix = new int[5,4];
c)
int Matrix[ ][ ] = new int[5][4];
d)
int Matrix[ ][ ] = int[5][4];
6.
What would the statement values[1].length return?
a)
2
b)
3
c)
4
d)
9
100 %
