Get the hexadecimal string representation

static String toHexString(double d)

Returns a hexadecimal string representation of the double argument.

public class Main {
  public static void main(String[] args) {
    
    System.out.println(Double.toHexString(1.2));

  }
}

The output:

0x1.3333333333333p0

1. Double class
2. Constants in Double class
3. Double class Constructor
4. Return double value as byte, double, float, int, long, short
5. Compare two double values
6. Is a double value an infinite large value, or it is not a number.
7. Convert string value to double
8. Convert double value from string
9. Get the hexadecimal string representation
10. Bit oriented calculation for double type