StreamsAPI-Tutorials/StreamExamples/StreamOfLines.java at main · CodeJamm/StreamsAPI-Tutorials · GitHub

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package StreamExamples;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.stream.Collectors;

import java.util.stream.Stream;

public class StreamOfLines

{

public static void main(String[] args)

{

//Read file line by line

Path filePath1 = Paths.get("C:\\temp", "data.txt");

try(Stream<String> lines = Files.lines(filePath1))

{

lines.forEach(System.out::println);

}

catch (IOException e)

{

e.printStackTrace();

}

System.out.println();

//Filtering Stream of Lines

Path filePath2 = Paths.get("c:/temp", "data.txt");

try

{

Files.lines(filePath2).filter(s -> s.contains("How are you"))

.collect(Collectors.toList()).forEach(System.out::println);

}

catch (IOException e)

{

e.printStackTrace();

}

System.out.println();

//Reading file using FileReader

try

{

File file = new File("c:/temp/data.txt");

FileReader fr = new FileReader(file);

BufferedReader br = new BufferedReader(fr);

String line;

while((line = br.readLine()) != null)

{

if(line.contains("How are you"))

{

System.out.println(line);

}

br.close();

fr.close();

}

catch(Exception e){System.out.print(e);}

}

StreamsAPI-Tutorials/StreamExamples/StreamOfLines.java at main · CodeJamm/StreamsAPI-Tutorials · GitHub

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