@Override
	public String toString() {
        String answer = "[";
        
        for (int i = 0; i < this.size - 1; i ++) {
        	answer += this.array[i] + ", ";
        }
        
        if (this.size > 0) {
        	answer += this.array[this.size - 1] + "]";
        }
        
        else {
        	answer += "]";
        }
        
        return answer;
    }