Answer:
Explanation:
The following class is written in Java. I created the entire Circle class with each of the methods and constructor as requested. I also created a tester class to create a circle object and call some of the methods. The output can be seen in the attached picture below for the tester class.
class Circle {
double radius;
public Circle(double radius) {
this.radius = radius;
}
public double getRadius() {
return radius;
}
public void resetRadius() {
radius = 0;
}
public double calculateArea() {
double square = Math.pow((Math.PI * radius), 2);
return square;
}
}
Answer:
B. It uses "Light-years" to talk about time, but a light-year is a unit of distance.
Explanation:
Light-Year is a term used in astronomy to describe the distance that light travels in a year. Informally, astronomers use the light year to describe distances between planets, stars, moons and other astronomical bodies.
Light-years are sometimes mistakenly thought of as units of time — because of the year — but they're actually units of distance, equal to about six trillion miles. In 1851, the light year was first used for defining distances by a German astronomer who compared it to a "hiking hour," or the distance a person can hike in one hour. The term can also figuratively mean "a long way:"
The email addresses or domains on a blacklist are automatically marked as spam in the inbox.
<h3>What is an email address?</h3>
A virtual address, which is unique in case of each individual and cannot be replicated for the purpose of sending and receiving mails and attachments, is known as an email address.
Hence, option A holds true regarding an email address.
Learn more about an email address here:
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Answer: Prototypes had a problem with the bars colliding with each other and jamming. So the story goes that he arranged the keys with the most common letters in hard to reach spots, to slow typists down and try to avoid this problem.
Explanation: In the 1860s, a politician, printer, newspaper man, and amateur inventor in Milwaukee by the name of Christopher Latham Sholes spent his free time developing various machines to make his businesses more efficient.
Hope this helped!
