java创建一个文件并写入内容

public static void main(String[] args) throws FileNotFoundException {
//在桌面上创建一个aaa.doc文档 并写下内容为"aaa"
File file = new File("C:\\Users\\nantianfei\\Desktop\\aaa.doc");
RandomAccessFile ran = new RandomAccessFile(file, "rw");
try {
ran.writeBytes("aaa");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}