The singleton design pattern is used to make sure a class has just one instance, and it helps you access that instance from anywhere in your code. Imagine you’re working on a software application for a hospital. This application needs to manage patient records, appointments, and medical history. To ensure data consistency and prevent conflicts, […]
The Builder Design pattern is a design approach that lets you create complex objects step by step. It enables producing various types and structures of an object using the same building process. Think about a complicated object that needs to be set up carefully, with many small details and parts. Usually, this setup code is
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The Abstract Factory pattern is a powerful design tool that facilitates the creation of families of related objects without specifying their concrete classes. By providing an abstract interface for creating objects, this pattern enables the creation of object hierarchies with consistent structure. In Factory Method, we implemented furniture business to deliver different types furniture. Now
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Design patterns are like handy guides for solving common problems in how we create software. They’re a bit like ready-to-use templates that can be adjusted to fit the specific issues we face in our code.Remember, you can’t just grab a pattern and insert it exactly into your program, like using pre-made tools. A pattern isn’t
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On the previous page, we learned about checking out the changes to the methods that programmers use, and also some other helpful things that were added in java 11. Now, on this page, we’re going to keep going and find out more about the new stuff in java11. We’ll find out about some things that
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Oracle launched Java 11 in September 2018, just six months after the previous version, Java 10. Java 11 is the first version that Oracle will support for a long time after Java 8. Oracle stopped giving support to Java 8 in January 2019. Let’s explore some of the key features and changes to the common
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we will dive into practical coding examples to explore the capabilities and versatility of the Java 8 Stream API. This page will provide hands-on demonstrations of various operations that can be performed using streams, showcasing how this powerful feature simplifies complex data manipulation tasks. By following along with our examples, you’ll gain a deeper understanding
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The Stream API, which was introduced with the release of Java 8, serves as a powerful tool for processing collections of objects. A stream in Java represents a sequence of objects and offers a range of methods that can be efficiently chained together to achieve specific outcomes. Key aspects of the Java stream feature include:
The java.util.function.Function interface stands as one of the valuable functional interfaces (an interface that contains only one abstract method). It is a key component of the Java 8 functional programming API. It provides a way to define and manipulate functions in Java code. Why Function Interface? You can use the function interface to create new functions or
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Functional programming (FP) is a way of programming that focuses on using pure functions, which always give the same output for a given input and don’t cause any side effects. This approach avoids using mutable state and encourages combining functions to create efficient and easy-to-read code. By using FP, developers can build more reliable and
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