证明BigInteger范围的例子

证明BigInteger范围的例子



import java.math.*;   
  
/**  
* Demonstrate large numbers.  
* @author Ian F. Darwin, http://www.darwinsys.com/  
* @version $Id: BigNums.java,v 1.4 2004/02/09 03:33:56 ian Exp $  
*/  
public class BigNums {   
  public static void main(String[] argv) {   
    //+   
    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());   
    //-   
  }   
}