提供使用基于行的文件的灵活方式.
以下是组织的声明. apache.commons.io.LineIterator Class :
public class LineIterator extends Object implements Iterator<String>, Closeable
这是我们需要解析的输入文件 :
Welcome to TutorialsPoint. Simply Easy Learning. Learn web technologies, prepare exams, code online, all at one place.
IOTester.java
import java.io.File; import java.io.IOException; import org.apache.commons.io.FileUtils; import org.apache.commons.io.LineIterator; public class IOTester { public static void main(String[] args) { try { usingLineIterator(); } catch(IOException e) { System.out.println(e.getMessage()); } } public static void usingLineIterator() throws IOException { //get the file object File file = FileUtils.getFile("input.txt"); try(LineIterator lineIterator = FileUtils.lineIterator(file)) { System.out.println("Contents of input.txt"); while(lineIterator.hasNext()) { System.out.println(lineIterator.next()); } } } }
它将打印以下结果.
Contents of input.txt Welcome to TutorialsPoint. Simply Easy Learning. Learn web technologies, prepare exams, code online, all at one place.