Below is a definition for a Dumbbell class: public class Dumbbell { private double weight; // in pounds public Dumbbell() { weight = 1.0; } public Dumbbell(double w) { weight = w; } public void setWeight(double newWeight) { weight = newWeight; } public double getWeight() { return weight; } public lift() { System.out.println("You did 1 rep with the " + weight + " lb dumbbell."); } } Modify the setWeight method to check that the new weight parameter is between 1 and 50 pounds. If the new weight is less than 1 pound, set it to 1 pound instead. If the new weight is greater than 50 pounds, set it to 50 pounds instead. Show the modified method in your post. Add a second lift() method which takes an integer parameter signifying how many reps to do with the dumbbell. Print an appropriate message for the number of reps performed, similar to the message in the existing lift() method. If the number of reps is 20 or more, also print out the statement "Whew, what a workout!" afterward. If the number of reps entered is 0 or less, print out an appropriate error message instead. Show the new method in your post. Create a short main() method which creates two Dumbbell objects and calls a lift() method on each of them. The first Dumbbell should use the constructor and lift() method without parameters, and the second Dumbbell should use the constructor and lift() method with parameters (you create the lift() method with a parameter in step 2). Show this main method in your submission.

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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Below is a definition for a Dumbbell class:

public class Dumbbell {
private double weight; // in pounds

public Dumbbell() {
weight = 1.0;
}

public Dumbbell(double w) {
weight = w;
}

public void setWeight(double newWeight) {
weight = newWeight;
}

public double getWeight() {
return weight;
}

public lift() {
System.out.println("You did 1 rep with the " + weight + " lb dumbbell.");
}
}

Modify the setWeight method to check that the new weight parameter is between 1 and 50 pounds. If the new weight is less than 1 pound, set it to 1 pound instead. If the new weight is greater than 50 pounds, set it to 50 pounds instead. Show the modified method in your post.
Add a second lift() method which takes an integer parameter signifying how many reps to do with the dumbbell. Print an appropriate message for the number of reps performed, similar to the message in the existing lift() method. If the number of reps is 20 or more, also print out the statement "Whew, what a workout!" afterward. If the number of reps entered is 0 or less, print out an appropriate error message instead. Show the new method in your post.
Create a short main() method which creates two Dumbbell objects and calls a lift() method on each of them. The first Dumbbell should use the constructor and lift() method without parameters, and the second Dumbbell should use the constructor and lift() method with parameters (you create the lift() method with a parameter in step 2). Show this main method in your submission.

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