# BigDecimal doubleValue() Method in Java

• Last Updated : 04 Dec, 2018

The java.math.BigDecimal.doubleValue() is an in-built function which converts the BigDecimal object to a double. This function converts the BigDecimal to Double.NEGATIVE_INFINITY or Double.POSITIVE_INFINITY as appropriate or according to the passed object, if its magnitude is too big to be represented as a double.

Note: The information about the decimal precision of the Double value of the given BigDecimal value can be lost even if the return value is finite.

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Syntax:

`public double doubleValue()`

Parameters: The method does not accept any parameters.

Return Value: This method returns the double value of this BigDecimal Object.

Examples:

```Input : 11234
Output : 11234.0

Input : 2679.30000
Output : 2679.3
```

Below programs illustrates the use of byteValueExact() Function:
Program 1:

 `// Java program to demonstrate doubleValue() method``import` `java.io.*;``import` `java.math.*;`` ` `public` `class` `GFG {`` ` `    ``public` `static` `void` `main(String[] args)``    ``{`` ` `        ``// Creating a BigDecimal object``        ``BigDecimal big;`` ` `        ``// Creating a Double object``        ``Double dob;`` ` `        ``big = ``new` `BigDecimal(``"4743"``);`` ` `        ``// Assigning the converted value of bg to d``        ``dob = big.doubleValue();`` ` `        ``// Printing the corresponding double value``        ``System.out.println(``"Double value of "` `+ big + ``" is "` `+ dob);``    ``}``}`
Output:
```Double value of 4743 is 4743.0
```

Program 2:

 `// Java program to demonstrate doubleValue() method``import` `java.io.*;``import` `java.math.*;`` ` `public` `class` `GFG {`` ` `    ``public` `static` `void` `main(String[] args)``    ``{`` ` `        ``// Creating a BigDecimal object``        ``BigDecimal big;`` ` `        ``// Creating a Double object``        ``Double dob;`` ` `        ``big = ``new` `BigDecimal(``"6714592679.34008"``);`` ` `        ``// Assigning the converted value of bg to d``        ``dob = big.doubleValue();`` ` `        ``// Printing the corresponding double value``        ``System.out.println(``"Double value of "` `+ big + ``" is "` `+ dob);``    ``}``}`
Output:
```Double value of 6714592679.34008 is 6.71459267934008E9
```

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