Introduction

We will learn more about What is Java NIO in this blog. Java IO(Input/Output) is used for reading and writing operations. Every class necessary for input and output operation is included in the java.io package. To enable high-speed IO operations, Java NIO (New IO) was made accessible starting with JDK 4. It serves as a replacement for the standard IO APIs.

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What is Java NIO?

A high-performance network and file sharing API and structure are known as Java NIO (New Input/Output) and serve as an alternative IO API for Java. It first appears in JDK 4. Java NIO, which has additional sophisticated features, functions as the second I/O system after ordinary Java IO. It offers an alternative to the conventional IO for working with I/O. The Java. Nio package defines the buffer classes used throughout NIO APIs, just like the Java.io package, which contains all the types essential for Java input and output operations.

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Core Components

Buffers:

The primitive data types in this module have buffers available. A tool that focuses on buffers is Java NIO. It implies that data can be fed into, read from, or written to a buffer for processing later on a channel. In this case, the buffers serve as a data container because they store the basic data types and give an overview of the other NIO packages. These buffers can be fed, empty, flipped, rewound, and do other operations.

Channels:

The new basic I/O concept is channelling. A channel serves as a sort of stream for external communication. We can read data from the channel into a buffer or write data into a buffer. Java NIO carried out the non-blocking IO activities, and the channels are available for these IO operations. Various channels that can conduct non-blocking I/O operations serve as symbols of the connections to various entities. The channels function as a conduit or a gate. It is the most popular programming language and integrates the growth of the workforce since it is simple to use, test, compile, write, and run.

Selectors:

It is possible to use filters for non-blocking I/O operations. A selector is a piece of equipment that keeps an eye on various channels for events. Selectors and keys with tunable channels define multiplex IO operations, while Java NIO manages non-blocking IO activities. Therefore, in plain English, we can state that selectors are used to choosing the open channels for I/O activity.

Conclusion

So far, we have enhanced What Java NIO and its core components. It is widely used programming languages, easy to learn, and adaptable. Developers and programmers frequently learn their first program using Java API, which offers a great platform for development. Java is open-source that works across all platforms. Enroll in Java Training in Coimbatore to enhance knowledge about java concepts and strategies.