java program

class Main {
public static void main(String[] args) {

int n = 20, firstTerm = 0, secondTerm = 1;
System.out.println("Fibonacci Series till " + n + " terms:");

for (int i = 1; i <= n; ++i) {
  System.out.print(firstTerm + ", ");

  // compute the next term
  int nextTerm = firstTerm + secondTerm;
  firstTerm = secondTerm;
  secondTerm = nextTerm;
}

}
}