Java Reader.read(char[] cbuf, int off, int len)
Syntax
Reader.read(char[] cbuf, int off, int len) has the following syntax.
public abstract int read(char[] cbuf, int off, int len) throws IOException
Example
In the following code shows how to use Reader.read(char[] cbuf, int off, int len) method.
/*from ww w . j av a 2s.c o m*/
import java.io.*;
public class Main {
public static void main(String[] args) {
String s = "tutorial from java2s.com";
Reader reader = new StringReader(s);
// create a char array to read chars into
char cbuf[] = new char[5];
try {
// read characters into a portion of an array.
System.out.println(reader.read(cbuf, 0, 5));
System.out.println(cbuf);
reader.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
The code above generates the following result.
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