Learn Java and Programming through articles, code examples, and tutorials for developers of all levels.
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Visitor Design Patterns In Java Examples Tutorial
Hello guys, if you want to learn Visitor design pattern in Java then you have come to the right place. Earlier, I have covered many design patterns like Decorator, Strategy, State, Composite, Adapter, Command, Template, Factory, Observer and even few Microservice patterns like SAGA and Database per service and in this article, I will talk about Visitor Design Pattern and how to implement in Java. You will learn things like what is Visitor design pattern, what problem it solves, what are pros and cons of Visitor design pattern, when to use Visitor pattern as well as any alternatives of Visitor Pattern in Java. I will also show you a real world example of Visitor design pattern, but, before we get to the 5 best examples that will teach you all about design patterns in Java, let me tell you a little bit more about what it really is.
Difference between 32-bit vs 64-bit JVM in Java?
How to remove duplicate(s) from linked list in Java? Example Tutorial
10 Examples Of Mockito + JUnit in Java for Unit Testing
How to convert Java 8 Stream to Array and ArrayList in Java? Example Tutorial
Array length vs ArrayList Size in Java [Example]
How to create an ArrayList from Array in Java? Arrays.asList() Example Tutorial
One of the common problems faced by junior and less experienced Java developers is converting an array to ArrayList e.g. they are getting an array from somewhere in their code and then want to create an ArrayList out of that so that they can add more elements and use other library methods which operate with ArrayList or List. The simplest way to convert an array to ArrayList is by using the Arrays.asList() method, which acts as a bridge between Collection classes and array data structure. This method returns a List that contains elements from an array.
How to check If two Strings Array are equal in Java? Example Tutorial
How to find Factorial in Java using Recursion and Iteration - Example Tutorial
Is it Possible to add static or private methods in Java interface?
What is Diamond operator in Java? Example Tutorial
Hello guys, if you are reading Java code and come across closed angle bracket with a diamond like shape and wondering what they are and what they do then you have come to the right place. They are known as Diamond operator in Java and I will explain you what they are and where should you use them in this article. The Diamond operator is a relatively new operator in Java which was first introduced in JDK 7 to improve type inference and reduce boilerplate Java coding. It is denoted with a closed angle bracket that resembles the shape of a diamond (<>) and that's why it's called the Diamond operator. If used correctly it can reduce typing and boilerplate coding in Java and result in much cleaner and readable code especially when you use Generics.
Parallel Array Sorting in Java - Arrays.parallelSort() Example
Difference between Thread vs Process in Java? Example
Difference between yield and wait method in Java? Answer
10 points about wait(), notify() and notifyAll() in Java Thread?
How to run Threads in an Order in Java - Thread.Join() Example
10 Examples Of Lombok Libarary In Java
10 Examples Of Ternary Operator In Java
Hello guys, if you are wondering how to use ternary operator in Java then you have come to the right place. Ternary operator is a great operator and you can use ternary operator to replace a simple if-else statement. Since ternary operator allows you to write code in one line, its much more succinct and readable and that's what many Java developer love it, including me. In the last article, I shared 10 example of XOR bitwise operator in Java and in this article, I am going to share 10 example of ternary operator in Java so that you not only know what is ternary operator but also you can use it effectively to write better Java code. But, before we get to the 10 best examples that will teach you everything there is to know about ternary operators in Java, let me tell you a little bit more about what it all really is.