@TechLab

Access Modifiers in OOPS (Java)

Oct 6, 2021 · 5 min read · 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(...

Access Modifiers in OOPS (C++)

Oct 6, 2021 · 4 min read · 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...

Three Level's of Data abstraction

Oct 3, 2021 · 2 min read · 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 vs Three-Tier Database Architecture

Oct 2, 2021 · 2 min read · 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 & Fundamental's

Sep 26, 2021 · 3 min read · 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...