Java FilterReader.reset()
Syntax
FilterReader.reset() has the following syntax.
public void reset() throws IOException
Example
In the following code shows how to use FilterReader.reset() method.
// ww w .j ava2s . co m
import java.io.FilterReader;
import java.io.Reader;
import java.io.StringReader;
public class Main {
public static void main(String[] args) throws Exception {
Reader r = new StringReader("ABCDEF");
// create new filter reader
FilterReader fr = new FilterReader(r) {
};
// read and print characters one by one
System.out.println("Char : " + (char) fr.read());
System.out.println("Char : " + (char) fr.read());
System.out.println("Char : " + (char) fr.read());
// mark is set on the filter reader
fr.mark(0);
System.out.println("Char : " + (char) fr.read());
System.out.println("reset() invoked");
// reset is called
fr.reset();
// read and print characters
System.out.println("char : " + (char) fr.read());
System.out.println("char : " + (char) fr.read());
}
}
The code above generates the following result.
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