importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStreamReader;publicclassMain{publicstaticvoidmain(String[]args)throwsIOException{InputStreamReader isr=newInputStreamReader(System.in);BufferedReader br=newBufferedReader(isr);try{System.out.println("Please enter a number: ");Strin...
How do I convert an InputStream to a string in Java?Brian L. Gorman
import java.io.*; import java.util.*; public class TestClass{ public static void main(String[] args) { try { FileInputStream fis = new FileInputStream("in.txt"); BufferedInputStream bStream = new BufferedInputStream(fis); ByteArrayOutputStream baous = new ByteArrayOutputStream(); int ...
Java’s Input/Output package has the classByteArrayInputStreamthat reads the byte arrays asInputStream. First, we usegetBytes()to get the bytes fromexampleStringwith the charset UTF_8, and then pass it toByteArrayInputStream. To check if we succeed in our goal, we can read theinputStream...
to take string, char, int, byte, float or double. I'll just give you the whole class. // This class takes care of the input just use read.GetString() to take the input as string as vice versa import java.io.*; public class read { static BufferedReader In = new BufferedReader( ...
If String is not convertible to int, you will get below exception. Exception in thread “main” java.lang.NumberFormatException: For input string: “45.1” at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.base/java.lang.Integer.parseInt(Integer.java...
1. ByteArrayInputStream This example usesByteArrayInputStreamto convert aStringto anInputStreamand saves it into a file. StringToInputStream.java packagecom.mkyong.string;importjava.io.*;importjava.nio.charset.StandardCharsets;publicclassConvertStringToInputStream{publicstaticfinalintDEFAULT_BUFFER_SIZE=...
Convert an InputStream to a string using InputStream.readAllBytes() Since Java 9, you can use the readAllBytes() method from InputStream to read all bytes into a byte array, as shown below: try (InputStream stream = Files.newInputStream(Paths.get("input.txt"))) { // convert stream ...
Here is the complete example of how to read and convert an InputStream to a String. The steps involved are: 1) I have initialized the InputStream after converting the file content to bytes using getBytes() method and then using the ByteArrayInputStream w
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); ...