nth Fibonacci term and the sum till that term

Fibonacci.java

import java.util.Scanner;
class Fibonacci{
	public static void main(String ... args){
		Scanner sc= new Scanner(System.in);
		System.out.println("Enter the number of terms you are interested in");
		int n=sc.nextInt();
			
		do{
			System.out.println(n+"th term is "+fib(n));
			System.out.println("And the sum is "+sum(n));
			n=sc.nextInt();
		}while(n!=-1);
	}
	static int fib(int n){
		int fib=(n==0)?0:(n==1)?1:fib(n-2)+fib(n-1);
		return fib;
	}
	static int sum(int n){
		
		if(n==0){
			return 0;
		} if(n==1){
			return 1;
		}
		return sum(n-1)+fib(n);
	}
}