Reading Courses From A File In Java
Reading courses from a file in Java can be done by using the BufferedReader class. This class allows your program to read text from a character-based input stream. It reads text from a character input stream and buffers the characters so that it can be read efficiently. To use the BufferedReader class, you must first create a Java FileReader object and pass in the file path. Then, you use the BufferedReader.readLine() method to read one line at a time from the file. You can then parse the String read from the file and create an instance of your Course class for each line of the file. If you need to read multiple columns from the file, you need to parse the String using the StringTokenizer class and iterate over the tokens created by the StringTokenizer class. This will allow you to construct Course objects and add them to a Collection. The BufferedReader class also provides a ready() method which can be used to check if the file has more data to be read. This can be useful for determining when you need to stop looping over the file and end the read operation. In conclusion, reading courses from a file in Java is relatively easy to do and the BufferedReader class provides all the methods you need in order to do it.
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