import java.io.*;

public class Main {
    public static void main(String[] args)  {
        try {
            BufferedWriter out = new BufferedWriter(new FileWriter("twle.txt"));
            out.write("简单编程");
            out.close();
            System.out.println("文件创建成功！");
        } catch (IOException e) {
        }
    }
}

文件创建成功！