Represents immutable sequences of characters and provides methods for text manipulation, such as searching, concatenating, and formatting.

Define the behavior of objects. Can accept inputs (parameters) and can return outputs.

Automatic conversion of a primitive type to its corresponding wrapper class

Provides an object representation for primitive data types, allowing them to be used as objects and offering utility methods for operations like conversion

Automatic conversion of a wrapper class object back to its corresponding primitive type.

Blueprint or template for creating objects. It serves as the fundamental building block of object-oriented programming in Java.

Instance of a class. It represents an entity and is created using the new keyword.

The account balance should not be directly accessible or modifiable outside the BankAccount class to ensure security.

The class includes a bankName variable that should be accessible by everyone but not changeable.

A method getAccountDetails() should be accessible to other classes.