Reading a Binary File : FileInputStream « File « Java Tutorial

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A binary file is a file whose content must be interpreted by a program or a hardware processor that understands in advance exactly how it is formatted. That is, the file is not in any externally identifiable format so that any program that wanted to could look for certain data at a certain place within the file.

A progam or hardware processor has to know exactly how the data inside the file is laid out to make use of the file. In general, executable ready-to-run programs are often identified as binary files and given a file name extension of ".

Programmers often talk about an executable program as a "binary" and will ask another programmer to "send me the binaries. A binary file could also contain data ready to be used by a program. In terms of transmitting files from one place to another, a file can be transmitted as a "binary," meaning that the programs handling it don't attempt to look within it or change it, but just pass it along as a "chunk of 0s and 1s," the meaning of which is unknown to any network device. By submitting you agree to receive email from TechTarget and its partners.

If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces. An internal audit IA is an organizational initiative to monitor and analyze its own business operations in order to determine Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if A cloud ecosystem is a complex system of interdependent components that all work together to enable cloud services.

Cloud services is an umbrella term that may refer to a variety of resources provided over the internet, or to professional The term uncloud describes the action or process of removing applications and data from a cloud computing platform. Cyberextortion is a crime involving an attack or threat of an attack coupled with a demand for money or some other response in The National Security Agency is the official U. An RHIA, or registered health information administrator, is a certified professional who oversees the creation and use of patient The 21st Century Cures Act is a wide-ranging healthcare bill that funds medical research and development, medical device A crisis management plan CMP is a document that outlines the processes an organization will use to respond to a critical Business continuity and disaster recovery BCDR are closely related practices that describe an organization's preparation for A business continuity plan BCP is a document that consists of the critical information an organization needs to continue A bad block is an area of storage media that is no longer reliable for storing and retrieving data because it has been physically An all-flash array AFAalso known as a solid-state storage disk system, is an external storage array that uses only flash A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

Home Topics AppDev Programming binary file. This was last updated in April Related Terms black box black box testing Black box testing assesses a system solely from the outside, without the operator or tester knowing what is happening within the Add My Comment Register.

Login Forgot your password? Submit your e-mail address below. We'll send you an email containing your password. Your password has been sent to: Please create a username to comment. The BIN file extension is employed by a number of programs that range from image disk programs to data storage. For technically detailed information please refer to http: Watch the video here: Search Compliance risk map risk heat map A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces.

Search Cloud Provider cloud ecosystem A cloud ecosystem is a complex system of interdependent components that all work together to enable cloud services. Search Security cyberextortion Cyberextortion is a crime involving an attack or threat of an attack coupled with a demand for money or some other response in Cybercrime Cybercrime is any criminal activity that involves a computer, networked device or a network. Search Disaster Recovery crisis management plan CMP A crisis management plan CMP is a document that outlines the processes an organization will use to respond to a critical

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This might happen accidentally if the data in the file just happened to correspond to those characters. But this would be very rare. Most digital data is stored in binary files.

There are several reasons why binary files are used. Input and output are much faster using binary data. Converting a bit integer to characters takes time. Not a great deal of time, but if a file such as an image file contains millions of numbers the accumulated conversion time is significant.

Computer games would slow to a crawl if their data were stored in character form. A binary file is usually very much smaller than a text file that contains an equivalent amount of data. For image, video, and audio data this is important. Small files save storage space, can be transmitted faster, and are processed faster. A DVD would not have room enough to store a movie if the data were stored in character format.

Some kinds of data can't easily be represented as characters. For example, the bytecodes of a Java class file or the machine language of an executable file. You may not usually think of this as data, but of course, it is. The Java compiler reads an input file a source file and writes a binary data file containing its results the bytecode file. And almost never is a human going to look at the individual data samples, so there is no reason to make it human-readable.

For example, humans look at the entire picture of a GIF file, and have little interest in looking at the individual pixels as numbers. Sometimes a programmer or scientist needs to do this, perhaps for debugging or scientific measurements. But these special occasions can use hex dumps or other specialized programs. Files can be compressed with a utility program like Zip. Often a text file can be compressed to less than half its original size.

Why Binary Files are Needed Most digital data is stored in binary files. Can the compressed text file be read with a FileReader stream?