How to write data to a temporary file in Java
The temporary file is just a regular file created on a predefined directory. In Java, we can use the NIO Files.write() to write data to a temporary file. In Java,…
Java – How to save byte[] to a file
This article shows a few ways to save a byte into a file. For JDK 1.7 and above, the NIO Files.write is the simplest solution to save byte to a…
Java – How to convert File to byte[]
In Java, we can use Files.readAllBytes(path) to convert a File object into a byte. Before Java 7, we can initiate a new byte with a predefined size (same with the…
How to append text to a file in Java
This article shows how to use the following Java APIs to append text to the end of a file. (1) Files.write – Append a single line to a file, Java…
Java create and write to a file
In Java, we can use Files.write to create and write to a file. The Files.write also accepts an Iterable interface; it means this API can write a List to a…
How to write to file in Java – BufferedWriter
In Java, we can use BufferedWriter to write content into a file, safety with try-resources in Java 7+. If possible, uses Files.write instead, one line, simple and nice. For Append…
How to write to file in Java – FileOutputStream
In Java, FileOutputStream is a bytes stream class that’s used to handle raw binary data. To write the data to file, you have to convert the data into bytes and…
How to write a UTF-8 file in Java
In Java, the OutputStreamWriter accepts a charset to encode the character streams into byte streams. We can pass a StandardCharsets.UTF_8 into the OutputStreamWriter constructor to write data to a UTF-8…
How to create a file in Java
In Java, there are many ways to create and write to a file: using Files.newBufferedWriter (Java 8), using Files.write (Java 7), using PrintWriter, using File.createNewFile