Java IO Tutorial - Java InputStreamReader(InputStream in, CharsetDecoder dec) Constructor

Syntax

InputStreamReader(InputStream in, CharsetDecoder dec) constructor from InputStreamReader has the following syntax.

public InputStreamReader(InputStream in,     CharsetDecoder dec)

Example

In the following code shows how to use InputStreamReader.InputStreamReader(InputStream in, CharsetDecoder dec) constructor.

//from ww w  .jav a 2s  . c  om

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

public class Main {
  public static void main(String[] args) throws IOException {

    FileInputStream fis = new FileInputStream("C:/test.txt");
    InputStreamReader isr = new InputStreamReader(fis,Charset.defaultCharset().newDecoder());

    // input stream reader is closed
    isr.close();
    System.out.print("close() invoked");

    // read() called after closed method
    int i = isr.read();
    char c = (char) i;
    System.out.println(c);

  }
}