Indicate five errors in the following Fraction class. Include no more than one error per

constructor/method. (5 pts.)

public class Fraction { 

private int numer;

private int denom;

public Fraction() { // no-arg constructor

numer = 0;

denom = 1;

}

public Fraction(int numerator, int denominator) {

numerator = numer;

denominator = denom;

}

public Fraction(Fraction fraction) { // copy constructor

numer = frac.getNumer();

denom = frac.getDenom();

}

// getters and setters

public void getNumer() {

return numer;

}

// ^ Cant return a void!

public void setNumer(int x) {

numer == x;

}

public int getDenom() {

return denom;

}

public void setDenom(int x) {

if (x != 0)

denom = x;

else

throw ArithmeticException(); // missing "new"

}

// Special Methods

public String toString() {

return numer + "/" + denom;

}

// Relational operator methods

public String equals(Fraction rFrac) {

Fraction temp_frac1 = new Fraction(getNumer(), getDenom());

Fraction temp_frac2 =

new Fraction(rFrac.getNumer(), rFrac.getDenom());

temp_frac1 = temp_frac1.reduce();

temp_frac2 = temp_frac2.reduce();

if ((temp_frac1.numer == temp_frac2.numer) &&

(temp_frac1.denom == temp_frac2.denom))

return "Fractions found equal";

else

return "Fraction not equal";

}

public Fraction lessThan(Fraction rFrac) {

Fraction tempFrac1 = new Fraction(getNumer() * rFrac.getDenom(),

getDenom() * rFrac.getDenom());

Fraction tempFrac2 = new Fraction(rFrac.getNumer() * getDenom(),

rFrac.getDenom() * getDenom());

return tempFrac1.getNumer() < tempFrac2.getNumer();

}

public boolean greaterThan(Fraction rFrac) {

return equals(rFrac) && !lessThan(rFrac);

}

public Fraction add(Fraction rFrac) {

Fraction tempFrac1 = new Fraction(getNumer() * rFrac.getDenom(),

getDenom() * rFrac.getDenom());

Fraction tempFrac2 = new Fraction(rFrac.getNumer() * getDenom(),

rFrac.getDenom() * getDenom());

return new Fraction(tempFrac1.getNumer() + tempFrac2.getNumer(),

tempFrac1.getDenom()).reduce();

}

public Fraction subtract(Fraction rFrac){

int num1 =((this.numer * rFrac.denom) - (rFrac.numer * this.denom));

int num2 = this.denom * rFrac.denom;

Fraction x = new Fraction (num1, num2);

return x.reduce();

}

public Fraction multiply (Fraction frac1, Fraction frac2) {

int num1 = frac1.numer * frac2.numer;

int num2 = frac1.denom * frac2.denom;

Fraction x = new Fraction (num1, num2);

return x.reduce();

}

// Other Methods

public Fraction reduce() {

// assume implemented correctly

}

// Private Methods

private int gcd(int n1, int n2) {

// assume implemented correctly

}

}