(Algebra: quadratic equations) Design a class named QuadraticEquation for a quadratic equation ax² + bx + x = 0. The class contains: ■ Private data fields a, b, and c that represent three coefficients. ■ A constructor for the arguments for a, b, and c. Three getter methods for a, b, and c. ■ A method named getDiscriminant () that returns the discriminant, which is b² - 4ac. ■ The methods named getRootl() and getRoot2() for returning two roots of the equation -b + √b² - 4ac -b-√b² - 4ac 2a "₁ and 12 = 2a These methods are useful only if the discriminant is nonnegative. Let these meth- ods return 0 if the discriminant is negative.

(Algebra: quadratic equations) Design a class named QuadraticEquation for a quadratic equation ax² + bx + x = 0. The class contains: ■ Private data fields a, b, and c that represent three coefficients. ■ A constructor for the arguments for a, b, and c. Three getter methods for a, b, and c. ■ A method named getDiscriminant () that returns the discriminant, which is b² - 4ac. ■ The methods named getRootl() and getRoot2() for returning two roots of the equation -b + √b² - 4ac -b-√b² - 4ac 2a "₁ and 12 = 2a These methods are useful only if the discriminant is nonnegative. Let these meth- ods return 0 if the discriminant is negative.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Ag 1- Random Prime Generator Add a new method to the Primes class called genRandPrime. It should take as input two int values: 1owerBound and upperBound. It should return a random prime number in between TowerBound (inclusive) and upperBound (exclusive) values. Test the functionality inside the main method. Implementation steps: a) Start by adding the method header. Remember to start with public static keywords, then the return type, method name, formal parameter list in parenthesis, and open brace. The return type will be int. We will have two formal parameters, so separate those by a comma. b) Now, add the method body code that generates a random prime number in the specified range. The simplest way to do this is to just keep trying different random numbers in the range, until we get one that is a prime. So, generate a random int using: int randNum = lowerBound + gen.nextInt(upperBound); Then enter put a while loop that will keep going while randNum is not a prime number - you can…
True or False The versions of an overloaded method are distinguished by the number, type, and order of their parameters.
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