Term.java

package linkedListPolynomials;

class Term {
	   
	   Double coefficient;
	   int degree;
	   
	   public Term() {
	      this(null, 0);
	   }
	   
	   public boolean isPositive() {
	      return coefficient > 0;
	   }
	   
	   public Term(Double coefficient, int degree) {
	      this.coefficient = coefficient;
	      this.degree = degree;
	   }
	   
	   public Double getCoefficient() {
	      return coefficient;
	   }
	   public void setCoefficient(Double coefficient) {
	      this.coefficient = coefficient;
	   }
	   
	   public int getDegree() {
	      return degree;
	   }
	   
	   public void setDegree(int degree) {
	      this.degree = degree;
	   }
	   
	   public String toString() {
	      String ans = "";
	      if (coefficient.doubleValue() == 0) return "";
	      if (degree == 0) return coefficient.toString();
	      if (coefficient != 1) {
	         if (coefficient == -1) ans += "-";
	         else ans += coefficient + " ";
	      }
	      ans = ans + "X";
	      if (degree == 1) return ans;
	      return ans + "^" + degree;
	   }
}