Answer:
A generalized class used only to create related derived classes
Explanation:
An abstract class is a class which cannot be instantiated on its own. It is defined using an abstract keyword. However, an abstract class can be inherited from and the derived class can actually be instantiated. For example:
abstract class A{
}
class B extends A{
void test(){
}
}
Here class A is an abstract class, while class B inherits from A. Now we can create an instance of class B as follows:
B b = new B();
b.test();
Answer:
The answer to the given question the option "a".
Explanation:
In computer science, Excel is a spreadsheet program. It provides us a table in this table we create a grid of text, numbers, and formulas specifying calculations, graphs, and charts and insert picture in the table. In the table aligned cells are by default is left. because in the spreadsheet all the data will insert from the left to right. So the correct answer to this question is the option "a".
Answer:
test whether a user entered a value
Answer:
An Online Reservation System is a software you can use for managing reservations for your service. ... Basically, an online reservation system allows a potential customer to book and pay for a service directly through a website.
Explanation:
An Online Reservation System is a software you can use for managing reservations for your service. Be it a pool, fitness center, gym, yoga studio, or a parks & recreation center an Online Reservation System allows all kinds of service businesses to accept bookings and appointments online and manage their phone and in-person bookings with ease.
Basically, an online reservation system allows a potential customer to book and pay for a service directly through a website. That means from the moment a customer decides they want to book a slot for your service (be it an in-house class or online appointment) to choosing a date, picking a time, and paying for the booking, membership management, everything is handled online! It greatly reduces the workload on your staff and removes the opportunity for double-bookings.
hope it helps
Answer:
public class Main
{
public static void main(String[] args) {
Main m=new Main();
System.out.println(m.mymath(true,5,2)); // calling the function mymath
}
public int mymath(boolean a,int b,int c) // mymath function definition
{
if(a==true)
{
int d=b+c;
return d;
}
else{int e=b-c;
return e;
}
}
}