void setup() {
Serial.begin(9600);
int myvar = 7;
Serial.print("myvar LValue: ");
Serial.println((long) &myvar, DEC);
Serial.print("myvar RValue: ");
Serial.println(myvar, DEC);
Serial.println();
int *mypoin;
mypoin = &myvar;
Serial.print("mypoin LValue: ");
Serial.println((long) &mypoin, DEC);
Serial.print("mypoin RValue: ");
Serial.println((long) mypoin, DEC);
Serial.println();
*mypoin = 3; //merubah nilai variabel yang ditunjuk pointer
Serial.println("-----------------------");
Serial.println("Update *mypoin = 3");
Serial.println();
Serial.print("mypoin LValue: ");
Serial.println((long) &mypoin, DEC);
Serial.print("mypoin RValue: ");
Serial.println((long) mypoin, DEC);
Serial.println();
Serial.print("myvar LValue: ");
Serial.println((long) &myvar, DEC);
Serial.print("myvar RValue: ");
Serial.println(myvar, DEC);
Serial.println();
}
void loop() {
//nocode
}
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