java文件写入不覆盖_java写入文件不覆盖写入_Java写入文件–用Java写入文件的4种方法...

java写入文件不覆盖写入

Java provides several ways to write to file. We can use FileWriter, BufferedWriter, java 7 Files and FileOutputStream to write a file in Java.

Java提供了几种写入文件的方法。 我们可以使用FileWriter ， BufferedWriter ，java 7 Files和FileOutputStream用Java编写文件。

Java写入文件 (Java Write to File)

Let’s have a brief look at four options we have for java write to file operation.

让我们简要地看一下java写入文件操作的四个选项。

FileWriter: FileWriter is the simplest way to write a file in Java. It provides overloaded write method to write int, byte array, and String to the File. You can also write part of the String or byte array using FileWriter. FileWriter writes directly into Files and should be used only when the number of writes is less.

FileWriter ：FileWriter是用Java编写文件的最简单方法。 它提供了重载的write方法，可以将int，字节数组和String写入File。 您也可以使用FileWriter编写String或byte数组的一部分。 FileWriter直接写入文件，仅在写入次数较少时才应使用。

BufferedWriter: BufferedWriter is almost similar to FileWriter but it uses internal buffer to write data into File. So if the number of write operations is more, the actual IO operations are less and performance is better. You should use BufferedWriter when the number of write operations is mor