In this tutorial, we will take a look at how to read a file using Java 8 Stream.
![Read file using Java 8 Stream Read file using Java 8 Stream](https://code2care.org/java/read-file-using-java-8-stream/images/Read file using Java 8 Stream.png)
The most efficient and quickest way to read a print the contents of a file in Java 8 is by making use of the Steams API and Files class from java.nio package.
Code Example:import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
/**
* Code2care.org Java Examples
*
* Read and print out file lines
* Using Java 8 Stream and Files
* from java.nio library
*
*/
public class JavaFilesWithStreamExample {
public static void main(String[] args) throws IOException {
String filePath = "/Users/code2care/IdeaProjects/lambdas/src/sample-data.txt";
Files.lines(Paths.get(filePath)).forEach(System.out::println);
}
}
Output:
This is file line 1
This is file line 2
This is file line 3
You may wonder where is the Stream here, well, Files.lines() method returns a java.util.stream.Stream<String> object.
More Posts related to Java,
- Get the current timestamp in Java
- Java Stream with Multiple Filters Example
- Java SE JDBC with Prepared Statement Parameterized Select Example
- Fix: UnsupportedClassVersionError: Unsupported major.minor version 63.0
- [Fix] Java Exception with Lambda - Cannot invoke because object is null
- 7 deadly java.lang.OutOfMemoryError in Java Programming
- How to Calculate the SHA Hash Value of a File in Java
- Java JDBC Connection with Database using SSL (https) URL
- How to Add/Subtract Days to the Current Date in Java
- Create Nested Directories using Java Code
- Spring Boot: JDBCTemplate BatchUpdate Update Query Example
- What is CA FE BA BE 00 00 00 3D in Java Class Bytecode
- Save Java Object as JSON file using Jackson Library
- Adding Custom ASCII Text Banner in Spring Boot Application
- [Fix] Java: Type argument cannot be of primitive type generics
- List of New Features in Java 11 (JEPs)
- Java: How to Add two Maps with example
- Java JDBC Transition Management using PreparedStatement Examples
- Understanding and Handling NullPointerException in Java: Tips and Tricks for Effective Debugging
- Steps of working with Stored Procedures using JDBCTemplate Spring Boot
- Java 8 java.util.Function and BiFunction Examples
- The Motivation Behind Generics in Java Programming
- Get Current Local Date and Time using Java 8 DateTime API
- Java: Convert Char to ASCII
- Deep Dive: Why avoid java.util.Date and Calendar Classes
More Posts:
- tkinter - Hello World! Program - Python
- How to Auto Fill Down in Excel for Mac - MacOS
- 573 List of reserved keywords in AWS DynamoDB - AWS
- How to Provide Full Disk Access to App on Mac - MacOS
- How to write hello world different languages syntax - HowTos
- How to Transpose a Square Matrix - Java Program - Java
- Java -Day of the week using Java 8 DayOfWeek Enum - Java
- Keyboard shortcuts to format Source code in Microsoft Visual Studio Code IDE - Microsoft