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Frequently Asked Questions

What are the benefits of using Java InputStream?

Java FileInputStream class obtains input bytes from a file. It is used for reading byte-oriented data (streams of raw bytes) such as image data, audio, video etc. You can also read character-stream data.

What is the difference between an InputStream and an OutputStream in Java?

Java stream is a flow of data from a source or into a destination. A good metaphor for Java streams is water flowing from a tap into a bathtub and later into a drainage. InputStream and OutputStream are abstractions over low-level access to data, such as C file pointers. InputStream is a source for reading data.

How do you read data from a Java InputStream?

read () : Java.io.InputStream.read (byte [] arg) reads number of bytes of arg.length from the input stream to the buffer array arg. The bytes read by read () method are returned as int. If len is zero, then no bytes are read and 0 is returned; otherwise, there is an attempt to read at least one byte.

How to create an InputStream object in Java?

In order to create an InputStream, we must import the java.io.InputStream package first. Once we import the package, here is how we can create the input stream. // Creates an InputStream InputStream object1 = new FileInputStream (); Here, we have created an input stream using FileInputStream. It is because InputStream is an abstract class.

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