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OOPs Concepts in Java | English | Object Oriented Programming Explained

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🔹OOPS (Object Oriented Programming System) in Java Object-Oriented Programming (OOPS) is a programming paradigm that uses classes and objects to design software. It simplifies development and maintenance by applying key concepts: 📌 Class: Class   is a user-defined data type which defines its properties and its functions. Class is the only logical representation of the data. For example, Human beings in an organisation is a class like Employee. The age, name, department, salary etc. of a human being/employee are its properties, and the jobs performed by the employees in an organisation are known as functions.  The class does not occupy any memory space till the time an object is instantiated. A class is a user-defined data type that defines properties and functions. For example: Class: Employee Properties: name, age, salary Functions: work(), attendMeeting() A class does not occupy memory until an object is created. ...
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Top 50 Camunda BPM Interview Questions and Answers for Developers (2026 Guide)

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  Top 50 Camunda BPM Interview Questions and Answers for Developers (2026 Guide) Introduction Camunda BPM is one of the most widely used workflow automation platforms for building process-driven applications using BPMN, DMN, and microservices architecture . Many companies use Camunda for: Business process automation Microservices orchestration Workflow management Enterprise integration Because of its growing popularity, Camunda BPM interview questions are frequently asked in Java developer interviews . In this guide, we cover 50 important Camunda BPM interview questions and answers ranging from beginner to advanced levels . Beginner Camunda Interview Questions 1. What is Camunda BPM? Camunda BPM is an open-source workflow and decision automation platform used to model, execute, and monitor business processes using BPMN and DMN standards . 2. What is BPMN? BPMN stands for Business Process Model and Notation , a standard used to model business workflows visually. 3. What are the ...
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Scopes of Signal in jBPM

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💡 Introduction Signals in jBPM 7 are a core part of event-driven workflow design. They allow asynchronous communication between process instances, making it possible to start , interrupt , or coordinate processes without direct linking. However, signals can have different scopes , which define how far the signal travels and who receives it . Let’s explore the four available scopes in detail: 🔹 Process Scope 🔹 Default Scope 🔹 External Scope 🔹 Project Instance Scope 🧩 1️⃣ Process Scope 📘 Definition Process scope signals are local to a single process instance or its child subprocesses . They are not visible outside that instance hierarchy. 📋 Use Case Used for communication inside the same process , like triggering subprocesses or event sub-processes. 🖼️ Process Scope Example Below is an example of a simple process-scoped signal. Only this process (or its subprocess) will catch this signal. ⚙️ 2️⃣ Default Scope 📘 Definition The default scope ...
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