How do you use DataInputStream?

Input: Output: read(byte[] b, int offset, int length) method of DataInputStream class in Java is used to read specified number of bytes from the input stream and store them into the buffer byte array. This read() method returns the number of bytes actually read as an integer type.

What is the package used to import for using DataInputStream?

In java, it is available in the Java.io package. Our java primitive class includeint, long, float etc., we read this primitive from input Stream. We use this DataInputStream in Java to read the data which is written by dataOutputStream.

What is DataInputStream and DataOutputStream in Java?

The DataInputStream class read primitive Java data types from an underlying input stream in a machine-independent way. While the DataOutputStream class write primitive Java data types to an output stream in a portable way. Here is an example to demonstrate the use of DataInputStream and DataOutputStream .

What is data input in Java?

The DataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types. If any byte cannot be read for any reason other than end of file, an IOException other than EOFException is thrown.

How to use system.In in Java?

How to Use System.in in Java Open your text editor and type in the following Java statements: The program creates an InputStreamReader object with System.in as the constructor parameter. Save your file as UseSystemIn.java. Open a command prompt and navigate to the directory containing your Java program. Type in the command to run your program and hit Enter.

What is input and output in Java?

Java I/O (Input and Output) is used to process the input and produce the output. Java uses the concept of a stream to make I/O operation fast. The java.io package contains all the classes required for input and output operations.

What is OutputStream Java?

The Java OutputStream class, java.io.OutputStream, is the base class of all output streams in the Java IO API. Subclasses of OutputStream include the Java BufferedOutputStream and the Java FileOutputStream among others.

What is output stream in Java?

OutputStream is part of the Java IO API which defines classes required to perform I/O operations in Java. These are all packaged in the java.io namespace. This is one of the core packages available in Java since version 1.0.