Java has launched so many versions till now and the recent version of java is java-12 which exist in market already and companies are working on it.
In every launched versions of java, it upgrade itself with so many interesting new features. Java 9 was released on September 21, 2017.
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Now, Let’s give the focus on some of the powerful features of java 9:
In Java, generally we used the public static abstract methods for the implementation of the java code. But as per the update in java programming in java version-9, we can also use the private methods and also private static methods for the implementation of java programming.
dynamically in the applications. To implement the collection interface, mostly we have to work with the help of their implementable classes as LinkedList, ArrayList, HastSet, LinkedHashSet and as a result the code becomes lengthy, un-optimized and mutable in nature.
Factory methods has come to make the collection interface more optimized form, and immutable in nature and also they are in more readable form.
J-Shell is one of the best feature of the java programming language to run the java program in the interactive mode. We can start the j-shell with command Prompt. J-shell doesn’t require any steps to write the code as we write the normal programming. In j-shell we just write the code and execute the program.
4. We can directly write the steps of code.
In J-shell we can directly write and run the program without following the procedure as firstly save the program, then run the program after that execute the code. J-shell is generally used for the test cases.
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