Java InputStreamReader.read(char[] cbuf, int offset, int length)
Syntax
InputStreamReader.read(char[] cbuf, int offset, int length) has the following syntax.
public int read(char[] cbuf, int offset, int length) throws IOException
Example
In the following code shows how to use InputStreamReader.read(char[] cbuf, int offset, int length) method.
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
//w w w .j a va2 s . c o m
public class Main {
public static void main(String[] args) throws IOException {
char[] cbuf = new char[5];
FileInputStream fis = new FileInputStream("C:/test.txt");
InputStreamReader isr = new InputStreamReader(fis);
// reads into the char buffer
int i = isr.read(cbuf, 2, 3);
// prints the number of characters
System.out.println("Number of characters read: " + i);
// for each character in the character buffer
for (char c : cbuf) {
// for empty character
if (((int) c) == 0)
c = '-';
System.out.println(c);
}
isr.close();
}
}
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