BigInteger.Java Program Plan: Include a class name named “Exercise_13_15”. Declare package. Declare main method. Declare variables to create and initialize two rational numbers “r1” and “r2” using BigInteger() method. Print addition of two rational numbers. Print subtraction of two rational numbers. Print multiply of two rational numbers. Print division of two rational numbers. Print double value of rational number. Close the main method. Close the class. Include a class name named “Rational”. Declare package. Declare main method. Create Data fields for numerator and denominator. Create a rational constructor with default properties. Create a rational constructor and assign numerator and denominator. Declare variable gcd. Compare the denominator with 0 and use of ternary operator. Define a method to find GCD of two numbers. Declare variable n1 and n2. Compare n1 and n2 using the comapreTo() method. return the gcd of n1 and n2. Define a method to return numerator. Define a method to return denominator. Define a method to add a rational number to this rational. Add rational number. Declare a method to subtract a rational number from this rational. Declare a method to multiply a rational number by this rational. Declare a method to divide a rational number by this rational. Declare an override method to implement the abstract intValue() method in Number. Declare an override method to implement the abstract floatValue() method in Number. Declare an override method to implement the doubleValue() method in number. Declare an override method to implement the abstract longValue() method in number. Declare an override method to implement the compareTo method in Comparable Close the main method. Close the class.

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Chapter 13, Problem 13.15PE

Program Plan Intro

BigInteger.Java

Program Plan:

Include a class name named “Exercise_13_15”.

Declare package.

Declare main method.

Declare variables to create and initialize two rational numbers “r1” and “r2” using BigInteger() method.

Print addition of two rational numbers.

Print subtraction of two rational numbers.

Print multiply of two rational numbers.

Print division of two rational numbers.

Print double value of rational number.

Close the main method.

Close the class.

Include a class name named “Rational”.

Declare package.

Declare main method.

Create Data fields for numerator and denominator.

Create a rational constructor with default properties.

Create a rational constructor and assign numerator and denominator.

Declare variable gcd.

Compare the denominator with 0 and use of ternary operator.

Define a method to find GCD of two numbers.

Declare variable n1 and n2.

Compare n1 and n2 using the comapreTo() method.

return the gcd of n1 and n2.

Define a method to return numerator.

Define a method to return denominator.

Define a method to add a rational number to this rational.

Add rational number.

Declare a method to subtract a rational number from this rational.

Declare a method to multiply a rational number by this rational.

Declare a method to divide a rational number by this rational.

Declare an override method to implement the abstract intValue() method in Number.

Declare an override method to implement the abstract floatValue() method in Number.

Declare an override method to implement the doubleValue() method in number.

Declare an override method to implement the abstract longValue() method in number.

Declare an override method to implement the compareTo method in Comparable

Close the main method.

Close the class.

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