- There are a variety of approaches to reading a text file in Java.
- To read a text file, the FileReader, the BufferedReader, and the Scanner can all be used.
- Java 8 added the java.util.stream.Stream class, which provides a more efficient and lazy approach to read a file line by line than the previous versions of Java.
- BufferedReader is a data buffering library that allows for extremely fast reading.
It is possible to read a plain text file in Java in a variety of methods. For example, you may use FileReader, BufferedReader, or Scanner to read a text file. Methods:
- Making use of the BufferedReader class
- making use of the Scanner class
- Making use of the File Reader class
- A List is used to read the whole file
- String representation of a text file
How to read a binary file in Java?
In addition to reading from a binary file, InputStreams are supported by Java. If the files being read are large, you may wish to utilize a BufferedReader on top of a FileReader in order to optimize the performance of the read operation. As an additional recommendation, I’d encourage you to download and read this great (and completely free) book titled Thinking in Java.