Java LineNumberReader.readLine()
Syntax
LineNumberReader.readLine() has the following syntax.
public String readLine() throws IOException
Example
In the following code shows how to use LineNumberReader.readLine() method.
// www . ja va 2 s .c o m
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
public class Main {
public static void main(String[] args) throws IOException {
String str;
// create new reader
FileReader fr = new FileReader("C:/test.txt");
LineNumberReader lnr = new LineNumberReader(fr);
// read lines till the end of the stream
while ((str = lnr.readLine()) != null) {
int i = lnr.getLineNumber();
System.out.print("(" + i + ")");
// prints string
System.out.println(str);
}
lnr.close();
}
}
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