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The Java programming language is a crucial skill for any aspiring computer scientist and future software developer. Over the past two decades, Java has grown to become one of the most widely used programming languages used in industry and taught for instruction in colleges and universities around the globe. At 24HourAnswers, we recognize the importance of Java in the computer science field, and, whatever your stage of study, we have a team of veteran Java developers, experienced software designers, and computer scientists ready to help with your Java project or to assist you with your Java programming coursework.
Originally developed in 1995 by Sun Microsystems Inc., Java was released as a full-featured programming language containing a number of innovations to the software development space. The Java language builds on existing syntax from C++, adding a slew of additional features to these languages while eliminating tedious, antiquated practices (header files, pointers, and memory management). The Java programming language was revolutionary when first released because of its platform-independent nature—Java programs are compiled into bytecode to be run by the Java virtual machine, allowing programs to be universally executable on any operating system: Windows, Mac, or Linux. Now maintained by Oracle, which acquired Sun Microsystems in 2010 The Java Class Libraries offer a formidable set of dynamically accessible libraries that Java applications can call at run-time, enabling instant access to pre-built data structures and modules which rapidly extend the capacity of the Java program. Java is an object-oriented programming language, enabling the programmer to modularize code into classes and objects to simplify the representation of logic within the program. Java is a multithreaded language, enabling users to write programs which can perform multiple tasks at once, and the Java programming language contains user-interface support using Java Swing, enabling users to rapidly prototype and develop graphical user interfaces, including applets which can be run in the web browser.
With all these great features, it is easy to see why Java has had great success as a programming language and is so popularly used for commercial applications and for educational purposes. Java can be used to solve any challenge in computer science and can be quickly deployed to create any computer program needed. We care deeply about helping students learn Java programming, and we have worked hard to earn our hundreds of ratings on Trust Pilot and Google, a testament to our commitment toward helping students. If your course or project uses Java programming, we at 24HourAnswers are here to help and can teach Java programming, design software, and help you implement Java code to meet your needs.
Examples (with images)
Java is developed using the Oracle Java Development Kit (JDK). The most popular version of the JDK which is typically used for application development and in coursework is Java Standard Edition (SE) version 8. To get started developing Java using the JDK, download JDK 8 here, selecting the version corresponding to your operating system.
After downloading the Java Development Kit (JDK), an integrated development environment (IDE) is used to write code in the Java programming language. There are a number of popular tools which are commonly used for Java software development.
Popular Java IDEs:
Among the options for development environments, Eclipse is the program of choice which is most commonly used for Java program development. Eclipse is an open source IDE which supports the creation of Java workspaces for more complex Java development projects, and it supports the development and use of plug-ins which extend the core functionality of the program. Download Eclipse now to begin writing programs in Java.
Shown above is the standard Java development environment perspective in Eclipse. The Java project outline is displayed to the left, structured with packages. The current Java code file is displayed in the middle, where the user can modify and add to the code. Additional windows are shown to the right to aid with the development and debugging of the code. Finally, the console is shown at the bottom, where the user can execute the code, viewing console interactions within the program.
Java source code is organized in classes, in which each class either contains code which can be executed, or contains the definition of a class, which can be referenced and instantiated by another class in the program. Within a program, these classes belong to packages where each package is a grouping of classes that contain a common set of roles, functions, and objectives. Part of becoming a great software developer involves thinking about how best to organize your code. Plan a program out in advance using pseudocode or a skeleton of the overall project. This will help you identify what packages and classes will be needed in the overall program, as well as guiding you to consider how the different parts of the program will depend on and affect each other.
Now that you have the Java Development Kit, the Eclipse integrated development environment, and a program in mind, you have all the tools needed to dive into Java programming. Whether your program is an introductory level Java assignment or a more complicated graduate level algorithms project, our Java online tutors are ready to assist with your Java programming assignment to help you design and create great software.
Topics and Subtopics
As a full-featured programming language, Java offers a large number of different topics and subtopics for projects and programs which are implemented using the language. Introductory computer science and programming assignments will focus on the core features of Java, intermediate programming assignments will demonstrate Java used with libraries to create and use more elaborate data structures, and advanced Java will target the use of Java to explore and implement complex paradigms in computer science.
Introductory Java consists of using Java to learn and apply the basics of programming. Getting comfortable with Java will require you to become comfortable with the syntax and various data types available. Variables (and their scope and type) are a key part of demonstrating how to store, represent, and manipulate data in Java. Loops are commonly used in Java to apply operations repeatedly, and conditional statements are used as the backbone of decision-making in a Java program.
Object-oriented Java consists of using Java classes and objects to create more elaborate Java programs, using the principles of object-oriented programming to develop a program which benefits from these methods. This consists of creating classes and objects, encapsulation of classes, use of abstract classes, method overloading and overriding among classes, and run-time polymorphism of objects. Usage of object-oriented methods will involve additional work on inheritance, enabling a hierarchy of classes, as well as serialization of objects.
Exploring data structures in Java involves creation of custom data structures and usage of provided Java library data structures to meet a particular purpose. This includes Java arrays, the ArrayList class, the Collection class, the List class, the Queue class, the Deque class, the Set class, the Map class, the Tree class, the LinkedList data structure, and more! Creating and using these classes involves using Java to architect these classic computer science classes.
Java offers numerous advanced programming capabilities. With multithreading and synchronization, Java programs can be written which execute multiple actions simultaneously, performing tasks which involves monitoring the status of threads to determine completion. File handling involves reading and writing of files for the purpose of storing and accessing data on the file system. In image processing, Java can be used to represent and manipulate images and colors. Additionally, networking involves using Java create connections between programs across the Internet using sockets, enabling client-server architectures.
The Java programming language offers capabilities to enable computer scientists to solve algorithmic challenges in the language, demonstrating computer science theory realized in code. Searching algorithms can be implemented in Java to traverse and find members in arrays and graphs. Sorting algorithms involve sorting arrays and other data structures in Java. Graph algorithms involve traversing a graph, and common map algorithms can be implemented to solve challenges in Java. Any other math and computer science algorithms can find their home in Java, where they can be implemented and analyzed for complexity and run-time.
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As you tackle the Java programming language, our tutors are available to help every step along the way. We have highly qualified tutors who can help with any level of Java. If you are just beginning working with the Java programming language, we offer introductory support and online homework help, where tutors can assist you with learning and understanding the language. We offer this either through live tutoring or through writeup deliverables, in which the tutor delivers you clearly written code with explanations to demonstrate how Java can be used to solve challenges in programming. For intermediate users of Java working through larger projects, our experts are available to help guide the design and development of programs, providing advice, feedback, and making changes and revisions to the code as needed. And for advanced users of Java stuck on the trickiest problems in computer science, we have experts who are seasoned veterans in Java software development and computer science techniques, available to explain or solve the toughest challenges in computer science.
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Our Java online tutors are available anytime to offer Java programming assignment help or guide your understanding and mastery of your Java programming coursework. For any Java programming challenge—big or small—bring us the question, and we have the answers!