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# Java BigDecimal doubleValue() Method with Example

BigDecimal Class doubleValue() method: Here, we are going to learn about the doubleValue() method of BigDecimal Class with its syntax and example.
Submitted by Preeti Jain, on May 03, 2020

## BigDecimal Class doubleValue() method

• doubleValue() method is available in java.math package.
• doubleValue() method is used to convert a BigDecimal to a double value and when this BigDecimal magnitude is not in a range of double so it will be changed to Double.POSITIVE_INFINITY or Double.NEGATIVE_INFINITY.
• doubleValue() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• doubleValue() method does not throw an exception at the time of converting BigDecimal to a double.

Syntax:

```    public double doubleValue();
```

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of this method is double, it returns the double representation of this BigDecimal.

Example:

```// Java program to demonstrate the example
// of double doubleValue()
// method of BigDecimal

import java.math.*;

public class DoubleValueOfBD {
public static void main(String args[]) {
// Initialize two variables of int and
// String type
int val = 125;
String str = "100";

// Initialize two BigDecimal objects
BigDecimal b_dec1 = new BigDecimal(val);
BigDecimal b_dec2 = new BigDecimal(str);

// By using doubleValue() method is to
// convert this BigDecimal (b_dec1) into
// a double, variable named d_conv
double d_conv = b_dec1.doubleValue();
System.out.println("b_dec1.doubleValue(): " + d_conv);

// By using doubleValue() method is to
// convert this BigDecimal (b_dec2) into
// a double, variable named d_conv
d_conv = b_dec2.doubleValue();
System.out.println("b_dec2.doubleValue(): " + d_conv);
}
}
```

Output

```b_dec1.doubleValue(): 125.0
b_dec2.doubleValue(): 100.0
```
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