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Java

    Program design is an important phase of the software development life cycle. The right choice of data structure techniques is needed before creating a program. The life cycle of a program is considered to have the following stages: analyze, build, design, verify, analyze, code, test and evaluate, refine and repeat, optimize, and maintain. A complex system may be divided into smaller units called modules. Modularity enhances the products' implementation, debugging, testing, documenting, and maintenance.   No algorithm or data structure is better than others, but each has its purpose. As stated before, for efficiency, you must choose the proper data structure required for what you are trying to achieve. Data structures consist of the following types: arrays, stacks, queues, linked lists, trees, graphs, trees, and hash tables.   To apply algorithmic design and data structure techniques, you first look at the problem and adopt a design strategy. While des...
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Java Installation and Object-Oriented Programming

To start Java programming, you first need two different pieces of software. First, you need the Java Development Kit (JDK), and then you need to find an Integrated Development Environment (IDE). You can choose any IDE you like as there are several options. Once you have an IDE installed, you can start programming! There are several websites with instructions to follow, or you can head to YouTube to find some basic instructions.  There are four basic concepts and features to object-oriented programming. First, encapsulation is a concept where all objects keep their states private within a class. Abstraction is a concept where you hide all the details or internal workings and only show users what they need to see. Inheritance is a concept where you build new objects and classes based on preexisting objects and classes. Lastly, polymorphism is a concept where a single action can be performed in several ways.
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  Describe features of contemporary operating systems and their structures. The three most common operating systems are Microsoft Windows, Mac Operating System, and Linux. Microsoft Windows is the most user-friendly and most used throughout businesses, governments, and personal computers. Operating systems are chosen based on how you plan to use your computer. Different Operating Systems have other pros and cons.   Discuss how operating systems enable processes to share and exchange information. The Operating system's main job is to manage all the processes within the system, including hardware allocation. The Operating system moves hardware resources around between different processes and allows them to share and exchange information. It also protects the resources of each process from other methods and provides synchronization among processes.    Explain how main memory and virtual memory can solve memory management issues. The main memory is the Read A...
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