Java.util.Scanner.next() 方法

package com.codingdict;

import java.util.*;

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

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

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

      // find the next token and print it
      System.out.println("" + scanner.next());

      // find the next token and print it
      System.out.println("" + scanner.next());

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