public int NumberOfLeafNodes() { if (main == null) { return(0); } return(main.NumberOfLeafNodes()); }
public int NumberOfLeafNodes() { if (this.leftUnit == null && this.rightUnit == null) { return(1); } int leftLeaves = 0; int rightLeaves = 0; if (this.leftUnit != null) { leftLeaves = leftUnit.NumberOfLeafNodes(); } if (this.rightUnit != null) { rightLeaves = rightUnit.NumberOfLeafNodes(); } return(leftLeaves + rightLeaves); }