PrintWriter实例

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;

public class PrintWriterDemo {

    /**
     * @param args
     * @throws FileNotFoundException
     */
    public static void main(String[] args) throws FileNotFoundException {
        File startLog = new File("writer.txt");
        PrintWriter outWriter = new PrintWriter(new PrintStream(new FileOutputStream(startLog)));
        outWriter.println("ssss");
        outWriter.close();

    }

}