What output is displayed by the following program(StringReader)? : Questions « File « SCJP

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import java.io.IOException;
import java.io.LineNumberReader;
import java.io.PrintWriter;
import java.io.StringReader;

public class TestIOApp {
  public static void main(String args[]) throws IOException {
    StringReader stringin = new StringReader("test");
    LineNumberReader in = new LineNumberReader(stringin);
    PrintWriter out = new PrintWriter(System.out);
    out.println(in.readLine());
    out.flush();
  }
}