假设文本文件包含:
He is a boy .
She is sick .
Ali is playing .
We are eating .
The dog is barking .
He and his brother are running .
如何将所有句子按格式放入数组列表中:
He is
is a
a boy
boy .
She is
is sick
sick .
等等。
我使用数组列表来避免继续阅读文本文件来执行某些任务是否可能?或者我需要使用矢量来做到这一点?
这应该可以。我没有测试它。这只是一行代码,您需要一些东西来扫描您的输入并使用每一行;
String line = "He is a boy .";
String[] arr = line.split(" ");
ArrayList<String> newLines = ArrayList<String>();
for (int i = 1; i < arr.length; i++){
newLines.add(arr[i-1]+" "+arr[i]);
}
除了 Arthur 所说的之外,您还可以例如使用 The Scanner类从文件中读取输入:
Scanner fileScanner = null;
try {
fileScanner = new Scanner(new File("yourtextfile.txt"));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
while (fileScanner.hasNextLine()) {
// Some additional code for storing the output to an array around here? :]
System.out.println(fileScanner.nextLine());
}
同样,如果您不想从文件中读取,而是从用户输入中读取,则可以使用它
ArrayList<String> uInput = new ArrayList<String>(Arrays.asList(scan.nextLine().split("\\s+")));