Note The BufferedReader reads characters; while the InputStream is a stream of bytes. The BufferedReader can’t read the InputStream directly; So, we need to use an adapter like InputStreamReader to convert bytes to characters format. For example: // BufferedReader -> InputStreamReader -> InputStream BufferedReader br = new BufferedReader( new InputStreamReader(inputStream, StandardCharsets.UTF_8)); 1. Reads a file …
In Java, we can use java.util.Scanner to get user input from console. 1. Scanner 1.1 Read a line. UserInputExample1.java package com.mkyong; import java.util.Scanner; public class UserInputExample1 { public static void main(String[] args) { // auto close scanner try (Scanner scanner = new Scanner(System.in)) { System.out.print("Enter something : "); String input = scanner.nextLine(); // Read user …
This article shows a few ways to convert an java.io.InputStream to a String. Table of contents 1. ByteArrayOutputStream 2. InputStream#readAllBytes (Java 9) 3. InputStreamReader + StringBuilder 4. InputStreamReader + BufferedReader (modified line breaks) 5. Java 8 BufferedReader#lines (modified line breaks) 6. Apache Commons IO 7. Download Source Code 8. References What are modified line breaks? …
In Java, there are three ways to read input from a console : System.console (JDK 1.6) Scanner (JDK 1.5) BufferedReader + InputStreamReader (Classic) 1. System.console Since JDK 1.6, the developer starts to switch to the more simple and powerful java.io.Console class. JavaConsole.java package com.mkyong.io; import java.io.Console; public class JavaConsole { public static void main(String[] args) …