Java double: double is 64 bit double precision type and used when fractional precision calculation is required. : Double « Data Type « Java Tutorial

1. Java Tutorial
2. Data Type
3. Double

public class Main {
  public static void main(String[] args) {
    double d = 1234.56;
    System.out.println("Value of double variable d is :" + d);
  }
}
//Value of double variable d is :1234.56