Java 8 was launched almost a decade ago, and most enterprise applications are still running in its environment. It is undoubtedly one of the most popular versions of the programming language. Often developers stick to Java 8 for the production stack. But why this fixation for a decade-old version of Java? One of the main reasons for Java 8's popularity is a drastic change in the business policies of Oracle (the company that owns Java).
The instructor for Java coding bootcamps in Louisville points out that Java 8 and Java 11 were the only Long-Term Support (LTS) Version from Java's extended list of releases. Any organization would not risk putting their system into production on a version of Java that does not offer long-term support. Also, businesses must pay licensing fees for Java 11 for commercial usage.
Apart from that, Java 8 came out with many new features and scrapped a few issues that made building enterprise applications seamless operation. Here are the few features of Java 8:
1. Parallel Array Sorting
Java 8 introduced ParallelSort() in java.util.Arrays class that used multithreading concepts to sort the data at a faster rate. Before the parallel array sorting Merge Sort or Tim Sort algorithms, which executed sequentially, not taking full advantage of multithreading.
2. Lambda expressions
Before Lambda expressions, a programmer had to create a class for every case and assign a single piece of functionality to them. It created excessive boilerplate codes for defining an object for primitive function representation. But with Lambda expressions, a developer could pass a code instead of objects to a method to run the algorithm. Thanks to this, the code became simpler and easier to read. Lambda expression made it easier to create anonymous classes of functional interfaces. Also, it made introducing method arguments and business logic to the code more accessible.
3. Date And Time API
Date and Time API made the life of a programmer manageable, making a date and time class obsolete. With the new API functions, developers could create thread-safe, ISO-centric classes to avoid concurrency issues in the program. The developer could use LocalDate, LocalTime, and LocalDateTime classes instead of the classical Date and Time class.
Apart from these features, adding non-abstract methods in the interfaces or Base64 encoding and decoding is also worth mentioning.
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