Java Data Type Tutorial - Java BigInteger(String val) Constructor

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Syntax

BigInteger(String val) constructor from BigInteger has the following syntax.

public BigInteger(String val)

Example

In the following code shows how to use BigInteger.BigInteger(String val) constructor.

import java.math.BigInteger;
/*  w ww .  j a va2  s .  c o  m*/
public class Main {
  public static void main(String[] args) {
    System.out.println("Here's Long.MAX_VALUE: " + Long.MAX_VALUE);
    BigInteger bInt = new BigInteger("3419229223372036854775807");
    System.out.println("Here's a bigger number: " + bInt);
    System.out.println("Here it is as a double: " + bInt.doubleValue());
  }

}

The code above generates the following result.

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