public static void main(String[] args) {
		String str = "1,2,,3";
		String delimiter = ",";
		StringTokenizer tokens = new StringTokenizer(str, delimiter);
		while(tokens.hasMoreTokens()) {
			System.out.println(tokens.nextToken());
		}

		System.out.println("---------无聊的分割线---------");
		String[] result = str.split(delimiter);
		for (int i = 0; i < result.length; i++) {
			System.out.println(result[i]);
		}
	}

输出：

1

2

3

———无聊的分割线———

1

2

空

3

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