Double class Constructor

Double(double value)

Creates a Double object that represents the primitive double argument.

Double(String s)

Creates a Double object that represents the double value represented by the string.

public class Main {
  public static void main(String[] args) {
    System.out.println(new Double(1.1));
    System.out.println(new Double("1.2"));

  }
}

The output:

1.1
1.2

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