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In Java, access modifiers are used to set the accessibility (visibility) of classes, interfaces, variables, methods, constructors, data members, and the setter methods. Example class Animal { public void method1() {...} private void method2(...
C++ Access Modifiers One of the main features of object-oriented programming languages such as C++ is data hiding. Data hiding refers to restricting access to data members of a class. This is to prevent other functions and classes from tampering with...
Data Abstraction Database systems are made up of complex data structures. To ease the user interaction with the database, the developers hide internal irrelevant details from users. This process of hiding irrelevant details from users is called Data ...
Two-Tier Architecture The two-tier architecture is generally divided into two parts: Client application and Database. The client in a Two-tier architecture application has the code written for saving data in the database. The client sends a reques...
Operating System An operating system is a software component of a computer and is responsible for the management of a variety of computer operations as also the sharing of computer resources. An operating system acts as an interface between the ap...
Multi-Processing Operating System Multiprocessor Operating System refers to the use of two or more central processing units (CPU) within a single computer system. These multiple CPUs are in close communication sharing the computer bus, memory, and ...
Multi-threading Multithreading is the term used to run multiple threads inside a single process in order to execute multiple tasks at the same time. Multithreading can be done by using CPU threads via the operating system or using programming lang...
File System A file system can be thought of as an index or database containing the physical location of every piece of data on the hard drive or another storage device. The data is usually organized in folders called directories, which can contain...
OSI stands for Open Systems Interconnection. It is a 7 layer architecture with each layer having specific functionality to perform. All these 7 layers work collaboratively to transmit the data from one person to another across the globe. The modern ...
