Java FileInputStream.read(byte[] b, int off, int len)
Syntax
FileInputStream.read(byte[] b, int off, int len) has the following syntax.
public int read(byte[] b, int off, int len) throws IOException
Example
In the following code shows how to use FileInputStream.read(byte[] b, int off, int len) method.
//from w w w .ja v a2 s. co m
import java.io.IOException;
import java.io.FileInputStream;
public class Main {
public static void main(String[] args) throws IOException {
byte[] bs = new byte[4];
FileInputStream fis = new FileInputStream("C://test.txt");
// read bytes to the buffer
int i = fis.read(bs, 2, 1);
System.out.println("Number of bytes read: " + i);
// for each byte in buffer
for (byte b : bs) {
// converts byte to character
char c = (char) b;
if (b == 0){
c = '-';
}
System.out.println(c);
}
}
}
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