Java is a widely used object-oriented programming language and software platform that runs on billions of devices, including notebook computers, mobile devices, gaming consoles, medical devices, and many others. The rules and syntax of Java are based on the C and C++ languages.
Java follows the simplest and most readable form of writing code with the most sophisticated syntax of an object-oriented programming language. Java has multiple advantages that give it a strong edge over other programming languages.
- Beginner-friendly and competitive edge: Java comes with advanced memory management tools. The object-oriented programming nature of the language makes it more precise, readable, and the best in class.
- Updated features: Java comprises the latest text blocks, a foreign-memory access API, hidden classes, Z Garbage Collector, sealed classes previews, pattern matching, and records.
- Code portability and versatility: Java uses a software tool that comes along with the Java download file. It is called the Java Virtual Machine (JVM). The primary objective of JVM is to convert the code written in the user's language into a machine-level language (ByteCode). Then the interpreter will compile and execute the code.
- Open-source library support: Most of the java features are still open-source and can also be used for building beginner-level and small-scale projects.
- Community support: There are numerous online and social media communities and groups.
- Varied development tools: Java helps develop various software development tools for assistance, such as IntelliJ, Eclipse, Android Studio, Netbeans, etc.
- Support for numerous applications: Multiple applications depend on Java, such as banking, information technology, software development, stock markets, financial services, social media, etc.
The Workings of Java
Java is a technology consisting of both a programming language and a software platform. To create an application using Java, you need to download the Java Development Kit (JDK), which is available for Windows, macOS, and Linux. You write the program in the Java programming language, then a compiler turns the program into Java bytecode—the instruction set for the Java Virtual Machine (JVM) that is a part of the Java Runtime Environment (JRE). Java bytecode runs without modification on any system that supports JVMs, allowing your Java code to be run anywhere.
The language was invented in 1991 by James Gosling of Sun Microsystems. One major advantage of developing software with Java is its portability. Once you have written code for a Java program on a notebook computer, it is easy to move the code to a mobile device. Java is much different from JavaScript. Javascript does not need to be compiled, while Java code does need to be compiled. Also, Javascript only runs on web browsers, while Java can be run anywhere.
The Java software platform consists of the JVM, the Java API, and a complete development environment. The JVM parses and runs (interprets) the Java bytecode. The Java API consists of an extensive set of libraries, including basic objects, networking and security functions; Extensible Markup Language (XML) generation; and web services. The Java language and the Java software platform create a powerful, proven technology for enterprise software development.
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Best Java Bootcamps in 2022
The best Java bootcamps help learners develop coding skills in the in-demand Java programming language. Bootcamp graduates can feel confident to pursue roles that use Java for front-end, back-end, and full-stack web development. This list of the best Java bootcamps explores curricula, tuition costs, delivery methods, and career service offerings at various bootcamps.
Complete Java Masterclass (Udemy)
Tim Buchalka and Goran Lochert have created this masterpiece of a course that is an absolute masterclass for learning Java online. Already attended by more than 200,000 students from around the globe, this is an excellent option for everyone, from beginner to advanced learners. The duo will teach you how to master step–by–step core development of Java 8 and Java 9, and help you do your first advanced program in just 30 days!
Key Highlights
- Learn how to construct creative 8 & 9 Java programs while having fun.
- Learn how to build interfaces for all computers at once.
- Master Java thoroughly, and get secret tips and tricks from the pros and experts.
- Comprehend how to remove the fluff and focus on the things that matter.
- Contains 5 posts with 72 hours of on-demand content.
- All this comes with full lifelong access.
Java Certification Training Courses (Udemy)
With Udemy offering multiple Java Certification courses, you can easily learn and earn a Java programming certification from your comfort zone without any deadlines. The list includes several certification courses, but the highest-rated courses are Java Certification: OCA Exam Simulation, Oracle Java Certification: Associate Pass, and Java Programming: Step by Step from A to Z. Taking these courses will not only help you achieve Java programming certification but will also help you become a master of all Java programming language concepts.
Key Highlights
- Cover both the basics and innovative Java programming concepts.
- Learn from Udemy experts and knowledgeable instructors with years of Java programming experience.
- Get practical projects and practice questions to work on.
- A team of experts is available 24/7 to help you solve your queries and problems concerning the courses.
- Get a free 30-day trial for each certification course.
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Java Certification by Duke University (Coursera)
This specialization has been brought to you by Duke University. In this course, students are introduced to the world of Java, the foundation of the Android operating system. You will learn the core programming concepts and code programs to solve complex problems. It includes JavaScript, HTML & CSS Foundation sessions, solving software problems, everything about arrays, lists & structured data, software design principles, and a special session to build a recommendation system.
Key Highlights
- Gain the basic skills a software engineer requires to solve real-world problems.
- Learn how to devise algorithms, test, and debug your programs.
- The program is divided into 5 courses covering different language aspects.
- A Capstone Project will help you apply everything you know.
Improve your salary as a Java developer by earning advanced certification in Java.
Free Java Courses & Tutorials (LinkedIn Learning – Lynda)
You are at the right place if you want to try a Java development career or look forward to incorporating a wide range of concepts from this language. This course, comprising more than 12 training, has an option for everyone regardless of their ability level. You can start with the basic courses if you're a beginner. If you want to practice common coding issues in Java, there are also courses for that. You’ll be ready to apply for a developer profile or to work as a freelancer by the end of the path.
Key Highlights
- The material is well organized, and all the subjects are covered quickly.
- Training instructors cover the concepts in an interactive manner that makes it easy to understand the basics before the practical assignments.
- The lessons can be viewed online and offline with the ‘offline view’ option.
- The curriculum is divided into relevant parts, along with assessments.
- Courses like code clinics present a wealth of challenges, questions, and solutions to improve your coding skills.
- The course content is free to use.
Oracle Java Certification Exam Preparation (Whizlabs)
Whizlabs offers specialized courses that will help you prepare for every topic in Oracle Java Certification Exams. You may pick a program in your particular area and expertise. In addition, the courses are designed by a team of experts focused on helping professionals prepare effectively and pass the exam confidently. You can give your career a new edge by validating your expertise with these excellent Oracle Java Certification Preparation Courses.
Key Highlights
- Learn to validate your knowledge and how to develop Java programming language software and web applications.
- Avail frequently updated practice questions and training content to keep you updated with the latest exam patterns and questions.
- Gain a sufficient understanding of the respective Java technologies.
- Get a detailed explanation of each question and the answers you will evaluate.
- Get expert support to overcome your questions to improve your confidence.
- Get a detailed report on your performance and the weak areas you need to improve each week.
Finding the Right Java Bootcamp
Time Commitment
Before applying to any bootcamps, each prospective enrollee should consider their bandwidth and availability. The best Java bootcamps often run in compressed timelines to quickly prepare enrollees for professional tech roles. This requires students to focus on intensive studies, which often does not leave time for full-time employment.
Some bootcamps offer part-time enrollment options, which allow learners to maintain employment during their studies. These programs also take longer to complete. Consider how many hours per week you can commit to a bootcamp and how quickly you’d like to complete your Bootcamp before settling on a program.
Future Goals
Factors like a program’s planned employment timeline and earning power data can help inform your choice of BootCamp. For example, if you have a specific professional role in mind, make sure to research bootcamps that align with this goal. Make sure all prospective boot camps have hiring partners or offer career placement services that can help you work toward your dream job.
Job Placement Offerings
The best Java boot camps often feature hiring partners and career services, and some even guarantee relevant, well-paying employment to graduates. Before applying, research each prospective program’s job placement offerings. Bootcamps may offer different types of job placement efforts. Some provide money-back guarantees to graduates who fail to find employment within a specific time after completion. Others offer ongoing career assistance after graduation. Many bootcamps maintain connections with hiring partners, which makes it easier for graduates to find job leads after completing their bootcamp.
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