Question

write a program in scanner class of java for the question.

Answer 1

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import java.util.Scanner;
public class TimePeriod
{
    public static void main(String args[])
    {
        Scanner sc = new Scanner(System.in);   
        
        System.out.print("Enter length: ");     //Asking for User Input for Length
        double l = sc.nextDouble();             //Scanning User Input
        
        System.out.print("Enter gravitational acceleration: ");     //Asking for User Input for g
        double g = sc.nextDouble();             //Scanning User Input
       
        double pi = 22;         //Creating a value of pi
        pi = pi/7;              
        
        double T = 2*pi*Math.sqrt(l/g);     //Calculating Time Period
        
        System.out.println("\nThe Time Period is: "+T+" seconds");
    }
}