Web Reference: There are a wide array of file I/O methods to choose from. To help make sense of the API, the following diagram arranges the file I/O methods by complexity. On the far left of the diagram are the utility methods readAllBytes, readAllLines, and the write methods, designed for simple, common cases. Other Ways to Read Files There are several classes you can use to read files in Java: Scanner - best for simple text and when you want to parse numbers or words easily. BufferedReader - best for large text files, because it is faster and reads line by line. FileInputStream - best for binary data (images, audio, PDFs) or when you need full control of raw bytes. You will learn more about ... The java.io package contains nearly every class you might ever need to perform input and output (I/O) in Java. All these streams represent an input source and an output destination. The stream in the java.io package supports many data such as primitives, object, localized characters, etc.
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