Bashir Alam

In Java, methods are the building blocks of classes, which allow us to encapsulate functionality within an object-oriented paradigm. Java provides several access modifiers, including ...

Regular expressions are a powerful tool used to match and manipulate text. They are a sequence of characters that define a search pattern, which can ...

Java is an object-oriented programming language that emphasizes the use of objects to represent and manipulate data. In Java, a constructor is a special method ...

Encapsulation is one of the fundamental concepts of object-oriented programming (OOP) and is considered essential for building robust and scalable applications. Encapsulation in Java is ...

In Java, both abstract classes and interfaces are used to define abstract types. However, there are some differences between these two concepts. An abstract class ...

Generics is a feature of Java that allows you to write code that can work with any data type. It was introduced in Java 5 ...

In Java, Arrays and Collections are two types of data structures that are used to store and manipulate collections of related data. While they are ...

Multi-threading is a powerful technique that allows a Java program to execute multiple threads concurrently. This can lead to significant performance improvements in certain types ...

Inheritance is a mechanism in Java where a new class is created from an existing class. The new class is called the subclass or derived ...

instanceof in Java is an operator that is used to check if an object belongs to a particular class or a subclass of that class. ...

In Java, strings are indexed using the zero-based index. This means that the first character in a string is at index 0, the second character ...