// declaring an array of integers 
int numbers[] = { 90, 150, 30 }; 
int a, b; 
 
void setup() { 
  a = numbers[0] + numbers[1]; // Sets variable a to 240 
  b = numbers[1] + numbers[2]; // Sets variable b to 180 
} 

// different ways of declaring arrays of chars 
char string1[15]; 
char string2[7] = {'h', 'e', 'l', 'l', 'o', '!'}; 
char string3[7] = {'h', 'e', 'l', 'l', 'o', '!', '\0'}; 
char string4[ ] = "hello there!";