Question

int[][] items = {{0, 1, 3, 4}, {4, 3, 8, 0, 7 },{3, 2}} ;

Which of the following statements replaces the 8 with 1?

Choices:-



Items[1][2] = 1;



Items[2][1] = 1;



Items[ 8 ] = 1;



Items[2][3] = 1;​

Answer 1

Answer:

items [1][2] = 1; replaces the 8 with 1.

Explanation:

• items[1][2] = 1; - Correct, as it refers to the 3rd element of the second SDA in items DDA.
• items[2][1] = 1; - Incorrect, as it refers to the 2rd element of the third SDA in items DDA.
• items[ 8 ] = 1; - Incorrect, as it a wrong assignment also 8 is out of range.
• items[2][3] = 1; - Incorrect, as it refers to the 4rd element of the third SDA in items DDA.

Arrays

They are collection of elements of homogenous type (of same data type) collected as a single unit.

Arrays be classified to mainly two types -

• Single Dimensional Array (SDA) and,
• Double Dimensional Array (DDA) also known as "Arrays of Arrays".