Commons Io 简明教程
Apache Commons IO - LineIterator
LineIterator 提供了一种灵活的方式来处理基于行的文件。
Class Declaration
以下是 org.apache.commons.io.LineIterator 类的声明 −
public class LineIterator
extends Object implements Iterator<String>, CloseableExample of LineIterator Class
以下是我们需要解析的输入文件 -
Welcome to TutorialsPoint. Simply Easy Learning.
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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());
}
}
}
}