Page 386 - ComputerScience_Class_11
P. 386
Program 14 Create the following class:
class name : spiral
Data members : int sparr[][] – stores the matrix in spiral format
int s : Size of the matrix
Method:
spiral(int n) : constructor to initialise s=n and create the matrix in spiral format.
void display() : Display the matrix
Example of spiral matrix:
Clockwise
1 2 3 4 5
16 17 18 19 6
15 24 25 20 7
14 23 22 21 8
13 12 11 10 9
1 public class Spiral
2 {
3 int[][] sparr;
4 int s;
5
Spiral(int n)
6 {
7 s = n;
8 sparr = new int[s][s];
9 int left = 0, right = s - 1, top = 0, bottom = s - 1;
10 int num = 1;
11 while (num <= s * s)
12 {
13 for (int i = left; i <= right; i++)
14 {
15 sparr[top][i] = num++;
16 }
17 top++;
18 for (int i = top; i <= bottom; i++)
384 Touchpad Computer Science (Ver. 3.0)-XI
