Writing text to a file java example

Method 2: Using FileWriter Class If the content of the file is short, then using the FileWriter class to write in the file is another better option.

It also writes the stream of characters as the content of the file like writeString method. The constructor of this class defines the default character encoding and the default buffer size in bytes. The following below example illustrates the use of the FileWriter class to write content into a file. It requires creating the object of the FileWriter class with the filename to write into a file. Next, the write method is used to write the value of the text variable in the file. If any error occurs at the time of writing the file, then an IOException will be thrown, and the error message will be printed from the catch block.

Example: Java. Skip to content. Change Language. Related Articles. Table of Contents. Improve Article. Save Article. With FileOutputStream you can write binary data in a file. For an example writing an image row data. When you want a write primitive Java data types, DataOutputStream is a portable way. Possible read back data from a file. When you want a write a larger file use FileChannel. Where BufferedWriter is used to write text to a character or byte stream.

It stores a character in the buffer then prints in bunches. Answer : Different-different ways have different methods, here we are sharing some of them. All How Java write to file are in Java 11, so it may change on different from Java 9 or 10 or upgraded versions.

Your email address will not be published. Notify me of follow-up comments by email. Notify me of new posts by email. This method returns a boolean value: true if the file was successfully created, and false if the file already exists. Note that the method is enclosed in a try This is necessary because it throws an IOException if an error occurs if the file cannot be created for some reason :.

Run Example ». In the following example, we use the FileWriter class together with its write method to write some text to the file we created in the example above. Note that when you are done writing to the file, you should close it with the close method:.