Complete the following code segment to handle potential zero denominators. When there is a zero denominator, use "zero denominator" as the message to pass to the exception object. You may get the message from an exception object by using e.getMessage().

import java.util.Scanner; import chapter11.fraction.Fraction; import chapter11.fraction.exception.ZeroDenominatorException;

public class Test { public static void main(String[] args) { Scanner stdin = new Scanner(System.in); try { Fraction fraction = new Fraction(stdin.nextInt(), stdin.nextInt()); fraction.print(); fraction = new Fraction(stdin.nextInt(), stdin.nextInt()); fraction.print(); fraction = new Fraction(stdin.nextInt(), stdin.nextInt()); fraction.print(); fraction = new Fraction(stdin.nextInt(), stdin.nextInt()); fraction.print(); } // your code starts here

// your code ends here } }

package chapter11.fraction.exception;

// your code starts here

// your code ends here

package chapter11.fraction;

import chapter11.fraction.exception.ZeroDenominatorException;

public class Fraction { private int num; private int denom; // your code starts here

// your code ends here public Fraction() throws ZeroDenominatorException { this(1, 1); }

public Fraction add(Fraction frac) throws ZeroDenominatorException { int n = this.num * frac.denom + this.denom * frac.num; int d = this.denom * frac.denom;

return new Fraction(n, d); }

public Fraction sub(Fraction frac) throws ZeroDenominatorException { int n = this.num * frac.denom - this.denom * frac.num; int d = this.denom * frac.denom;

return new Fraction(n, d); }

public Fraction mult(Fraction frac) throws ZeroDenominatorException { int n = this.num * frac.num; int d = this.denom * frac.denom;

return new Fraction(n, d); }

public Fraction div(Fraction frac) throws ZeroDenominatorException { int n = this.num * frac.denom; int d = this.denom * frac.num;

return new Fraction(n, d); }

public void print() { if (num != 0 && denom != 0) { System.out.println(num + "/" + denom); } else if (num == 0) {

System.out.print(0); } else { System.out.println("NaF"); } }

public int getNum() { return this.num; }

public int getDenom() { return this.denom; } }