Apache Commons IO - LineIterator
Class Declaration
Following is the declaration for org.apache.commons.io.LineIterator Class −
public class LineIterator
extends Object implements Iterator<String>, Closeable
Example of LineIterator Class
Here is the input file we need to parse −
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());
}
}
}
}
Output
It will print the following result.
Contents of input.txt
Welcome to TutorialsPoint. Simply Easy Learning.
Learn web technologies,
prepare exams,
code online,
all at one place.