split text into sentences using regular expressions in Java

[Duy Dinh]

    query = "The child has several balls. The diameter of each ball is 1.5 cm. All the balls are blue.";
    String[] sentences = query.split("\n|((?<!\\d)\\.(?!\\d))");
    System.out.format("There are %d sentences in the input text:\n",
            sentences.length);