Back to Step by Step Course by Robojax
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Please select other codes for this lecture from the links below.
In this lesson we learn how what an array is and how to define it. Please watch full details video. list of tipcs listed below.
Code in this page: reading age and marks.
int age[] = { 25, 21, 23, 30 } ;
void setup() {
Serial.begin(9600);// initialize serial monitor
Serial.println(age[1]);// print value of age of index 1 (prints 21)
Serial.println(age[0]);// print value of age of index 0 (prints 25)
Serial.println(age[2]);// print value of age of index 2 (prints 23)
Serial.println(age[3]);// print value of age of index 3 (prints 30)
Serial.println("=============");
age[1] = 42;
age[3] = 22;
age[0] = 18;
age[2] = 20;
Serial.println(age[1]);// print value of age of index 1 (prints 42)
Serial.println(age[0]);// print value of age of index 0 (prints 18)
Serial.println(age[2]);// print value of age of index 2 (prints 20)
Serial.println(age[3]);// print value of age of index 3 (prints 22)
Serial.println("=============");
// defining emptry array for 4 falues
// age[] has been used above so we can't re-define it.
// we have use new name. I am using marks.
float marks[4];//
marks[0]= 49.5;
marks[1]= 45.7;
marks[2]= 36.2;
marks[3]= 40.7;
Serial.println(marks[1]);// print value of marks of index 1 (prints 45.7)
Serial.println(marks[0]);// print value of marks of index 0 (prints 49.5)
Serial.println(marks[2]);// print value of marks of index 2 (prints 36.2)
Serial.println(marks[3]);// print value of marks of index 3 (prints 40.7)
}
void loop() {
}
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