This is my "port" of GNU-Readline to Java. Actually, it is a crude wrapper using the Java Native Interface (JNI). Starting from version 0.6, alternative libraries are supported. Currently only Editline is implemented, but adding support for other implementations should be easy.

May 13, 2026 - Æsh Readline is a library for handling console input with the goal to support most GNU Readline features.

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The Java BufferedReader readLine() method read a line of text. A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a linefeed.

April 17, 2013 - JLine is a java library for reading and editing user input in console applications. It features tab-completion, command history, password masking, customizable keybindings, and pass-through handlers to use to chain to other console applications.

JReadline is a Java library for handling console input with the goal to support most GNU Readline features.

April 15, 2012 - JLine 2.x is a free and open source console I/O library written in Java and distributed under the Modified BSD License It offers line-editing and history capabilities for console applications, that are similar to the functions provided by the GNU readline library.

JReadline is a Java library for handling console input with the goal to support most GNU Readline features.

JLine is a Java library for handling console input. It is similar in functionality to BSD editline and GNU readline.

while (StdIn.hasNextLine()) { String line = StdIn.readLine(); StdOut.println(line); }

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August 30, 2024 - Reading large files efficiently is a common requirement in many Java applications. If you’re processing logs, handling large datasets, or reading configuration files, the BufferedReader class, particularly its readLine() method, is a vital tool. This article will take a look at the BufferedReader.readLine() method, explaining how it works, its performance benefits, and common use cases.

import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class Main { public static void main(String[] args) { try (BufferedReader br = new BufferedReader(new FileReader("filename.txt"))) { String line; while ((line = br.readLine()) != null) { System.out.println(line); } } catch (IOException e) { System.out.println("Error reading file."); } } }

February 20, 2025 - package com.journaldev.readfileslinebyline; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class ReadFileLineByLineUsingBufferedReader { public static void main(String[] args) { BufferedReader reader; try { reader = new BufferedReader(new FileReader("sample.txt")); String line = reader.readLine(); while (line != null) { System.out.println(line); // read next line line = reader.readLine(); } reader.close(); } catch (IOException e) { e.printStackTrace(); } } }

For simple applications requiring only line-oriented reading, use readLine(java.lang.String, java.lang.Object...).

February 20, 2024 - Think of Java as a librarian, capable of retrieving any line from the book of your program. It has built-in methods that can read lines from various sources, making it a versatile and handy tool for various tasks. In this guide, we’ll walk you through the process of reading a line in Java, from the basics to more advanced techniques. We’ll cover everything from using the BufferedReader class and the readLine() method, tcco dealing with different sources such as files, user input, and more.

June 12, 2020 - Below programs illustrate readLine(String, Object) method in Console class in IO package: Program 1: ... // Java program to illustrate // Console readLine(String, Object) method import java.io.*; public class GFG { public static void main(String[] args) { // Create the console object Console cnsl = System.console(); if (cnsl == null) { System.out.println( "No console available"); return; } String fmt = "%1$4s %2$10s %3$10s%n"; // Read line String str = cnsl.readLine( fmt, "Enter", "string : "); // Print line System.out.println( "You entered : " + str); } }

Reads a line of text. A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), a carriage return followed immediately by a line feed, or by reaching the end-of-file (EOF).

public String readLine() throws IOException · Reads a line of text. A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a linefeed. Returns: A String containing the contents of the line, not including ...