Question

To access the number of rows in a two-dimensional array named grades, we use _________________
A) grades
B) grades[i].length
C) grades.size
D) grades.length()
E) grades.length

Answer 1

the correct answer: B) grades[i].length

Example:

public class test {

public static void main (String ... args) {

& int[][] arr = new int[3][7];

& System.out.print(arr[1].length);

}
}

Result = 7;