We can read the input using the Scanner class: importjava.util.*;publicclassMain{publicstaticvoidmain(String[]args){// Use the Scanner classScannersc=newScanner(System.in);/* int n = sc.nextInt(); // read input as integer long k = sc.nextLong(); // read input as long double d ...
In Java, we can useSystem.console()to read input from the console. JavaSample.java packagecom.mkyong.io;importjava.io.Console;publicclassJavaSample{publicstaticvoidmain(String[] args){// jdk 1.6Consoleconsole=System.console(); System.out.print("Enter your name: ");Stringname=console.readLine...
Second, we’ll see how to read the content withBufferedReader,Scanner,StreamTokenizer,DataInputStream,SequenceInputStream,andFileChannel. We will also discuss how to read a UTF-8 encoded file. Finally, we’ll explore the new techniques to load and read a file in Java 7 and Java 8. This ...
packagebeginnersbook.com;importjava.io.*;publicclassReadFileDemo{publicstaticvoidmain(String[]args){//Specify the path of the file hereFilefile=newFile("C://myfile.txt");BufferedInputStreambis=null;FileInputStreamfis=null;try{//FileInputStream to read the filefis=newFileInputStream(file);/*...
ThereadLine()from the typeDataInputStreamis deprecated. Sun officially announced this method can not convert property from bytes to characters. It’s advised to useBufferedReader. You may interest to read thisHow to read file from Java – BufferedReader ...
import java.util.Scanner; /** * An example program to read a String from console input in Java */ public class Example { public static void main(String[] args) { System.out.print("Enter a string : "); Scanner scanner = new Scanner(System. in); ...
In Java 7 or higher, you can also use Files.readAllBytes() to read a file into an array of bytes. Later, you can convert the byte array into a string as shown below: try { // read all bytes byte[] bytes = Files.readAllBytes(Paths.get("input.txt")); // convert bytes to strin...
importorg.apache.logging.log4j.LogManager;importorg.apache.logging.log4j.Logger;importjava.io.FileNotFoundException;importjava.io.IOException;importjava.io.InputStream;importjava.util.Properties;/*** properties文件获取工具类*/publicclassPropertiesReader {privatestaticLogger logger = LogManager.getLogger(DelF...
io.InputStream; import java.io.OutputStream; public class plainJava { public static void main(String[] args) { try { InputStream inputStream = new FileInputStream(new File("./files/test.txt")); byte[] buffer = new byte[inputStream.available()]; inputStream.read(buffer); File ...
Read the Bytes using theFileUtils.readFileToByteArray()with the file name as an input. Print the byte array. Here is the Java implementation for this example. packagedelftstack;importjava.io.File;importjava.io.IOException;importjava.util.Arrays;importorg.apache.commons.io.FileUtils;publicclassEx...