In this article, you will learn to extend a class with new functionality using extension functions. Extension Function Kotlin provides the ability to add methods to the existing classes without having to inherit from the class or use design patterns such as Decorator to do this. This is achieved using special declarations called extensions. Using …
In this article, you will learn about infix notation to call a function in Kotlin with the help of examples. Kotlin supports function calls of a special kind, called infix calls. In Kotlin, functions marked with infix keyword can also be called using infix notation means calling without using parenthesis and dot. Before you learn …
In this article, you will learn about default and named arguments with the help of examples. Kotlin Default Argument In Kotlin, you can provide default values to parameters in the function definition and the parameter with a default value is called default argument. There are three cases for default arguments: Case I: All arguments passed …
In this article, you’ll learn about Kotlin functions, how to define a function and use them in your program with the help of examples. Functions A Kotlin function is a collection of statements that are grouped together to perform an operation. Functions allow us to reuse the code without retyping the code i.e. you can write …
In this article, you will learn about constructors in Kotlin (both primary and secondary constructors) as well as initializer blocks with the help of examples. Constructor A constructor for a class is a special member function, mainly used to initialize the properties of the newly created object of that class type. It is called implicitly, …
In this article, you will be introduced with the basic OOPs concept i.e. Classes and Objects and how you can create classes and objects in your Kotlin program. Kotlin supports both functional and object-oriented programming. Kotlin supports features such as higher-order functions, function types, and lambdas which represent Kotlin as a functional language. We will …
In this article, you’ll learn about Java constructors, how to create and use constructors with the help of examples. Constructor A constructor is a member function of a class with the same name as its class and has no return type. A constructor for a class is a special method that is used to initialize …
In this article, you’ll learn about Java methods, how to define a Java method and use them in your program with the help of examples. Methods A Java method is a collection of statements that are grouped together to perform an operation. Methods allow us to reuse the code without retyping the code i.e. you …
In this article, you will be introduced with the basic OOPs concept i.e. Classes and Objects and how you can create classes and objects in your Java program. Java Objects Object refers to an entity that has state and behavior. State: represents the data (properties) of an object. Behavior: represents the behavior (functionality) of an …
In this article, you will learn how to use continue construct and continue labels in Java. Sometimes it is useful to force an early iteration of a loop. That is, you might want to continue running the loop but stop processing the remaining code in its body for this particular iteration. In such case we …
