Java.util.Scanner.nextBigInteger(int radix) 方法

package com.codingdict;

import java.util.*;

public class ScannerDemo {
   public static void main(String[] args) {

      String s = "23 Hello World! 3 + 3.0 = 6 ";

      // create a new scanner with the specified String Object
      Scanner scanner = new Scanner(s);

      // scan next token as a Big Integer with radix 4
      System.out.println("" + scanner.nextBigInteger(4));

      // close the scanner
      scanner.close();
   }
}