2D array flashcard

Front

How many columns does a have if it is created as follows int[][] a = { {2, 4, 6, 8}, {1, 2, 3, 4}};?

Back

4

Front

How would you get the value 6 out of the following array: int[][] muffinTin = { {2, 4, 6, 8}, {1, 2, 3, 4}};? Options: muffinTin[0][3], muffinTin[1][3], muffinTin[0][2], muffinTin[2][0], muffinTin[3][1]

Back

muffinTin[0][2]

Front

for (______________){

Back

int col = 0; col < cookieTray[row].length; col+=2

Front

Given the following code segment, what is the value of sum after this code executes?
int[][] m = { {1,1,1,1},{1,2,3,4},{2,2,2,2},{2,4,6,8}};
int sum = 0;
for (int k = 0; k < m.length; k++){
sum = sum + m[m.length-1-k][1]; }

Back

9

Front

How many rows does cupcakeTin have if it is created as follows:
int[][] cupcakeTin = { {2, 4, 6, 8},
{1, 2, 3, 4}};?

Back

2

Front

Which of the following statements assigns the letter S to the third row and first column of a two-dimensional array named strGrid (assuming row-major order): strGrid[0][2] = "S"; strGrid[1][3] = "S"; strGrid[3][1] = "S"; strGrid[2][0] = "S";

Back

strGrid[2][0] = "S";

Front

How would you get the value 6 out of the following array:
int[][] a = { {2, 4, 6, 8},{1, 2, 3, 4}};?

Back

a[0][2]

Front

double[][] values = { {1.2, 9.0, 3.2}, {9.2, 0.5, 1.5, -1.2}, {7.3, 7.9, 4.8} } ; what is in values[3][0] ?

Back

error