Explore the origins, characteristics, and success of Java as a programming language and platform. Learn about its use in embedded systems, Android development, and enterprise web applications. Discover the differences between Java and JavaScript and the recent acceleration in Java development. Understand the widespread usage of Java in critical software development and its limitations in low-level development.
Java's main selling point is the concept of 'write once, run anywhere' which allows applications to be written once and run on different systems.
Java's prominence in education and its popularity make it one of the most widely used programming languages.
Deep dives
Origin and Characteristics of Java
Java is a programming language and a platform that was developed in the early 1990s by Sun Microsystems. It allows for platform-independent bytecode to run on the Java Virtual Machine (JVM), enabling applications to be written once and run on different systems. Java was designed to improve upon C++ by offering automatic memory management, a simpler syntax, and better support for threading and concurrency. Its main selling point was the concept of 'write once, run anywhere,' where Java programs could be compiled into bytecode and run on any machine with a JVM.
Ownership and Usage of Java
Sun Microsystems, the original creators of Java, were later acquired by Oracle, making them the current stewards of the language. While Java is an open-source project, Oracle takes the lead in guiding its evolution. Although alternative implementations of Java exist, Oracle controls the Java ecosystem. Java is widely used in different domains, including enterprise web applications, Android development, and embedded systems. It is the dominant language for enterprise applications, powering backend systems of large corporations. Furthermore, Java's prominence in education and its popularity make it one of the most widely used programming languages.
Java's Evolution and Limitations
Java has continuously evolved to stay competitive with modern programming languages. It has adopted a more frequent release cycle and integrated features from other languages while maintaining backwards compatibility. However, alternative languages for the Java platform, such as Kotlin, Scala, and Closure, are gaining traction and challenging Java's dominance. While Java is widely used, it is not suitable for low-level development due to its level of abstraction. C and C++ remain the go-to languages for operating systems and device drivers. Despite some challenges, Java's strong presence in enterprise and Android development ensures its longevity.
Java, the most popular programming language in the world, is also a platform. It enables software to be written once, compiled into platform-independent bytecode, and then run on any computing device with a Java Virtual Machine. We discuss why Java was created, what the Java Virtual Machine is, and what characteristics have made Java successful. We also dive into Java's most popular applications and its future.