BunnyEars.java

/* 
We have a number of bunnies and each bunny has two big floppy ears. We want to compute the total number of ears across all the bunnies recursively (without loops or multiplication).
bunnyEars(0) → 0
bunnyEars(1) → 2
bunnyEars(2) → 4*/
public int bunnyEars(int bunnies) {
  if(bunnies==1) return 2;
  return bunnies*bunnyEars(1);
}