In this article, we will learn about covariant return types in Java. Before Java version 5.0, we could not change the return type of an overridden method but a new method was introduced in JDK 5.0, called covariant where we could change the return type of the overridden method. The return type must be non-primitive. […]
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The collection is a framework in java. It contains some of the most used classes which are present in the interfaces. Collection interface mainly has 3 child interfaces and these are as follows. Image Source 1. List It contains an order of all the objects. This interface also helps you to have a dynamic size
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The main motive behind the development of the java programming language was to make a more securable, easy-to-understand programming language. It is one of the most used programming languages in the industry nowadays. Let’s analyze the features of java that separates it from other programming languages. 1. Simple & Easy to Learn Java comes with
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Whenever we declare a constant in java its value tends to be the same throughout the entire program. In the case of a normal variable, we can change the assigned value. Java doesn’t allow the use of constants directly so we use static and final non-access modifiers. The main motive of using constants is to
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In this article, we will look at the concept of String Interpolation. We will look at its description, the need for String Interpolation. Also, we look at different techniques to perform String Interpolation with implementation in Java. String Interpolation is a process where we evaluate a String containing one or more Placeholders (Temporary Name or
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In this blog post, we are going to learn an important topic pertaining to Java i.e Array length. Java is a high-end programming language by accompanying robustness, security, and greater performance. How to Find Array Length in Java? An array length in Java represents a series of elements that an array could really hold. There
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To plan or decide something before implementation is always essential. This will help execute every step more efficiently, and you have an idea about the action that to be performed next. In computer language, decision-making is an important part. Predominantly, the execution starts from the top to the bottom. But sometimes, the decision is vital
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As programmers work with real-life entities, object-oriented programming allows programmers to achieve the same. Objects are used to store knowledge, data, task, state, and other different OOP tasks and methods. This article is going to explain the fundamental four pillars of object oriented programming in java. Image Source 1. Encapsulation Encapsulation is achieved when the
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