public static void main(String[] args) {
Fibonacci test = new Fibonacci();
System.out.println(test.f(5));
}
public int f(int n) {
if (n == 1 || n == 2) {
return 1;
}
int first = 1;
int second = 1;
int num = 0;
for (int i = 3; i <= n; i++) {
num = first + second;
first = second;
second = num;
}
return num;
}
}
public class Fibonacci {
public static void main(String[] args) {
Fibonacci test = new Fibonacci();
System.out.println(test.f(5));
}
public int f(int n) {
if (n == 1 || n == 2) {return 1;}
return f(n - 1) + f(n - 2);
}
}