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import java.io.FileOutputStream;
public class FileOutputStreamDemo {
public static void main(String[] args) throws Exception {
// 创建文件输出流对象
FileOutputStream fos1 = new FileOutputStream("fos1.txt");
// 第二个参数为true表示程序每次运行都是追加字符串在原有的字符上
FileOutputStream fos2 = new FileOutputStream("fos2.txt", true);
// 写数据
for (int x = 0; x < 10; x++) {
fos1.write(("hello" + x).getBytes());
fos1.write("\r\n".getBytes());// 写入一个换行
}
for (int x = 0; x < 10; x++) {
fos2.write(("hello" + x).getBytes());
fos2.write("\r\n".getBytes());// 写入一个换行
}
// 释放资源
fos1.close();
fos2.close();
}
}
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FileOutputStream类的换行写入和追加写入
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by the author.