// Global Variable
char str1[15];
char str2[8] = {'a','r','d','u','i','n','o'};
char str3[8] = {'a','r','d','u','i','n','o','\0'};
char str4[] = "arduino";
char str5[8] = "arduino";
char str6[16] = "arduino";

void setup () {
  // put your setup code here to run once;
  // inisialisasi serial monitor
  Serial.begin(115200);

  str1[0] = 'A';
  str1[1] = 'r';
  str1[2] = 'd';
  str1[3] = 'u';
  str1[4] = 'i';
  str1[5] = 'n';
  str1[6] = 'o';

Serial.print("str1 = ");Serial.println(str1) ;
Serial.print("str2 = ");Serial.println(str2) ;
Serial.print("str3 = ");Serial.println(str3) ;
Serial.print("str4 = ");Serial.println(str4) ;
Serial.print("str5 = ");Serial.println(str5) ;
Serial.print("str6 = ");Serial.println(str6) ;  

}

void loop(){
  // put your main code here, to run once;
}