Question

Suppose a user wants to calculate the square of a number or the square root of a number, and display the results.

Answer 1

import java.util.Scanner;

public class Square {
public static void main(String[] args) {
System.out.println("Input your number:");
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
System.out.println("Square of a number: " + (n*n));
System.out.println("Square root of a number: " + Math.sqrt(n));
}
}