Java Data Type Tutorial - Java BigInteger.doubleValue()

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Syntax

BigInteger.doubleValue() has the following syntax.

public double doubleValue()

Example

In the following code shows how to use BigInteger.doubleValue() method.

/*w w  w  .j  a v  a  2s .c om*/
import java.math.BigInteger;

public class Main {

  public static void main(String[] args) {

    // assign value to bi1
    BigInteger bi1 = new BigInteger("123");

    // assign a larger value to bi2
    BigInteger bi2 = new BigInteger("12345678");

    // assign double value of bi1, bi2 to d1, d2
    Double d1 = bi1.doubleValue();
    Double d2 = bi2.doubleValue();

    System.out.println(d1);
    System.out.println(d2);
  }
}

The code above generates the following result.

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