How-to articles, tricks, and solutions about FILE-IO
To convert a file to a byte in Java, you can use the readAllBytes method of the Files class from the java.nio.file package. This method reads all the bytes from a file and returns them in a byte. Here's an example of how you can use this method:
To check if a file exists in Java, you can use the exists method of the File class from the java.io package. This method returns true if the file exists, and false if it doesn't. Here's an example of how you can use this method:
To append text to the end of an existing file in Java, you can use the Files.write() method from the java.nio.file package. This method allows you to write a sequence of characters to a file in a single operation.
To read a text file from the classpath in Java, you can use the getResourceAsStream method of the ClassLoader class to get an InputStream for the file, and then use a BufferedReader to read the contents of the file.
The java.io.FileNotFoundException: the system cannot find the file specified error is usually thrown when a program tries to access a file that does not exist, or that it does not have permission to access.