Arrays of variables can be defined using the notation name[size], where name is the variable name and size is an integer that defines the number of elements in the array. The index of a C array always begins at .

Arrays of variables can be of different data types as shown below.

int a[10], b[10][10];
 real radii[5];
 
 a[0] = 1;     /* a 1-Dimensional array of variable a  */
 radii[4] = 3.14159265;  /* a 1-Dimensional array of variable radii */
 b[10][10] = 4;    /* a 2-Dimensional array of variable b  */