How to enter a double from a scanner.

Question:

How do you read a double from a scanner?

Answer:

Use the methed Scanner.nextDouble().

Code:

import java.util.Scanner;
 
public class ScanDouble {
  public static void main(String[] args) {
 
    System.out.print("Enter double: " ); 
    Scanner in=new Scanner(System.in);
    double d=in.nextDouble();
 
    System.out.println("You entered: " + d); 
 
  }
} 

Output:

$ java ScanDouble
Enter double: 12.2
You entered: 12.2