Java Math BigInteger.pow() 方法

package com.codingdict;



import java.math.*;



public class BigIntegerDemo {



   public static void main(String[] args) {



      // create 2 BigInteger objects

      BigInteger bi1, bi2;



      // create and assign value to exponent

      int exponent = 2;



      // assign value to bi1

      bi1 = new BigInteger("6");



      // perform pow operation on bi1 using exponent

      bi2 = bi1.pow(exponent);



      String str = "Result is " + bi1 + "^" +exponent+ " = " +bi2;



      // print bi2 value

      System.out.println( str );

   }

}