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    Shulav ShresthaBy Shulav Shrestha24 June 2022Updated:31 July 2022No Comments5 Mins Read
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    Java: Introduction

    Java was introduced for network programming and has been the most used programming language for more than 20 years. Furthermore, experts have a firm conviction because Java consistently performs well for application building. Before constructing web apps, Java was created for portable devices and set-top boxes. Java is, therefore, the most popular programming language out of all of them. And Java now dominates several other programming languages. The general-purpose computer language Java uses the object-oriented programming paradigm and the Write Once Anywhere methodology. Enterprise, mobile, online, and desktop apps all require Java. It has excellent debugging features and is high-level and object-oriented. Any IDE, such as Java Virtual Machine or online compilers, can run Java code (JVM). A JVM can be downloaded and installed to enable the computer to run Java apps. A layer of software called Java Runtime Environment (JRE) is frequently used to run Java apps. The benefits of learning Java programming are numerous, but there are also some drawbacks; these all are described in this article. 

    History of Java

    The process began in the early 1990s when the Sun Microsystems team started creating a superior version of C++ that was simple to port, user-friendly for beginners and equipped with automated memory management. The name of the new language that emerged from the research was chosen from among dozens shouted out in the meeting room. The silent, instantly recognisable sign of programming today is a steaming coffee cup. And it is no longer apparent which came first: associations with java, which is synonymous with coffee, or the programmers’ fixation with caffeine.

    Java’s benefits and drawbacks

    Java is an object-oriented, robust, all-purpose programming language. It is a high-level language, meaning English grammar is used throughout. Sun Microsystems created it in 1995. Oracle now provides maintenance and distribution for I programming. Java is frequently referred to as a platform because it has its runtime environment and API.

    Advantages:

    1. Basic and simple: Java is a straightforward programming language since it is simple to learn and comprehend. We do not need to remove the unreferenced objects from memory because its syntax is based on C++, and it employs automatic garbage collection. Explicit pointers, operator overloading, and other features have been eliminated from Java, making it simpler to read and write.

    2. Object-Oriented: Java is more advantageous since it employs an object-oriented paradigm. In Java, everything is an object that manages both data and activity. Java uses object-oriented ideas, including abstraction, polymorphism, inheritance, encapsulation, and class.

    3. Secured: Java is a secure programming language because it does not require explicit pointers. In the sandbox of the virtual machine, Java programmes are also executed. Further offers a class loader. This loads the class into the JVM dynamically. It distinguishes between the class packages imported via the network and those from the local file system.

    4. Robust: Java has strong memory management, making it a robust programming language. Through the Java code, we can handle exceptions. Type checking is another tool to safeguard our code. The programmer cannot directly access memory from the code.

    5. Independent of the platform: By providing the Write Once Run Anywhere (WORA) characteristic of platform independence, Java offers its customers a particular benefit. Java’s compiled code, or byte code, is platform-neutral and may run on any computer regardless of the operating system. As illustrated in the graphic below, coders can execute this code on any device that supports the Java Virtual Machine (JVM):

    6. Multiple Threads: Java is a multithreaded language, meaning several threads may be active simultaneously. The minor component of a process is a thread. We can maximise CPU usage with the aid of multithreading. The efficiency and performance of the application are improved by several lines that share a shared memory space. These threads are separate from one another and do not interact.

    7. Java offers a productive memory allocation scheme: Java divides the memory primarily into the heap area and the stack area, which results in an efficient memory allocation approach. Any variable we need can have memory space allocated by the JVM, either from the heap or the stack. JVM allocates memory from the stack or the heap whenever we declare a variable.

    Disadvantages

    1. Functioning: Java requires runtime interpretation, which makes it slower than languages like C and C++ but enables it to operate on all operating systems. On the other hand, users must explicitly build the C++ software to binary on each operating system, which makes it run faster.

    2. The use of memory: Since the Java virtual machine runs Java programmes, they use more memory. Compared to other languages like C and C++, Java demands a substantial amount of memory space. The system’s performance and memory efficiency may suffer while trash collection is carried out.

    3. Cost: The Java programming language is a little more expensive due to its higher processing and memory requirements. We require more excellent hardware to run the Java programme.

    4. less interactive Machine: Java lacks explicit references, which makes it less useful for applications that must run rapidly and interface directly with the computer. Java also has restrictions when it comes to communicating directly with machines.

    5. Disposal of waste: Java provides automatic garbage collection that is not under the programmer’s control. It lacks memory-freezing functions like erase() and free ().

    6. Java does not offer a backup option: Java mainly focuses on storage rather than data backup. This is a significant flaw that lowers user interest and ratings.

    Conclusion

    We have now concluded our review of Java’s benefits and drawbacks. Java has more advantages than disadvantages, in general. The platform independence, security, and maintainability properties of Java make it one of the most popular languages in the software industry despite all the constraints above. You can compare Java to other languages from this page based on its benefits, weaknesses, and user reviews.

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