One of the four essential OOPS concepts is encapsulation. The remaining three are abstraction, polymorphism, and inheritance. In Java, encapsulation is a way of combining the code that manipulates the data and the data itself into a single unit. Encapsulation means that a class's variables are kept private from other classes and are only accessible through its own methods. As a result, it is sometimes referred to as data concealing. In this article, we will be talking about data hiding in Java, and the need and advantages for encapsulation in Java. website: https://hkrtrainings.com/java-encapsulation