class Main {
public static void main(String[] args) {
double myDouble = 3.4;
float myFloat = 3.4F;
// 3.445*10^2
double myDoubleScientific = 3.445e2;
System.out.println(myDouble); // prints 3.4
System.out.println(myFloat); // prints 3.4
System.out.println(myDoubleScientific); // prints 344.5
}
}