// operators/Exponents.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// "e" means "10 to the power."

public class Exponents {
 public static void main(String[] args) {
 // Uppercase and lowercase 'e' are the same:
 float expFloat = 1.39e-43f;
 expFloat = 1.39E-43f;
 System.out.println(expFloat);
 double expDouble = 47e47d; // 'd' is optional
 double expDouble2 = 47e47; // Automatically double
 System.out.println(expDouble);
 }
}
/* Output:
1.39E-43
4.7E48
*/