Java's default constructor allows developers to create instances of classes when no other constructors are explicitly defined. The default constructor in Java takes no arguments -- it simply ...

Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

Java may still be the first programming language that springs to mind when you think about Android, but you don’t have to use Java for Android development. In fact, Kotlin is now Google’s preferred ...

C++ does things differently than C# or Visual Basic, especially when it comes to class construction. Take this tour to learn about the differences. C++ has typical idioms and conventions that are ...