Java FilterReader.read(char[] cbuf, int off, int len)
Syntax
FilterReader.read(char[] cbuf, int off, int len) has the following syntax.
public int read(char[] cbuf, int off, int len) throws IOException
Example
In the following code shows how to use FilterReader.read(char[] cbuf, int off, int len) method.
/* www. j a va 2 s. com*/
import java.io.FilterReader;
import java.io.Reader;
import java.io.StringReader;
public class Main {
public static void main(String[] args) throws Exception {
char[] cbuf = new char[6];
int i = 0;
Reader r = new StringReader("ABCDEF");
FilterReader fr = new FilterReader(r) {
};
// read data of len 4, to the buffer
i = fr.read(cbuf, 2, 4);
System.out.println("No. of characters read: " + i);
// read till the end of the char buffer
for (char c : cbuf) {
// checks for the empty character in buffer
if ((byte) c == 0)
c = '-';
System.out.print(c);
}
}
}
The code above generates the following result.
Home »
Java Tutorial »
java.io »
Java Tutorial »
java.io »