New variant of AccessController.doPrivileged that enables code to assert a subset of its privileges, without preventing the full traversal of the stack to check for other permissions Performance Improvement for HashMaps with Key CollisionsĬompact Profiles contain predefined subsets of the Java SE platform and enable applications that do not require the entire Platform to be deployed and run on small devices. The Stream API is integrated into the Collections API, which enables bulk operations on collections, such as sequential or parallel map-reduce transformations. Used with a pluggable type system, this feature enables improved type checking of your code.Ĭlasses in the new package provide a Stream API to support functional-style operations on streams of elements. Type Annotations provide the ability to apply an annotation anywhere a type is used, not just on a declaration. Repeating Annotations provide the ability to apply the same annotation type more than once to the same declaration or type use. Method references provide easy-to-read lambda expressions for methods that already have a name.ĭefault methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces. Lambda expressions let you express instances of single-method interfaces (referred to as functional interfaces) more compactly. They enable you to treat functionality as a method argument, or code as data. If you don't know whether you have Java 8, don't worry - our installers supply Minecraft with its own version of Java by default.Lambda Expressions, a new language feature, has been introduced in this release. Starting from Minecraft 1.12, Java 8 will be required to run Minecraft. Please note that some users experience issues playing Minecraft while using a mismatched version of Java for their operating system (32 or 64 bit), while using certain versions of Java 7, or while multiple versions of Java are installed Older versions will need to be updated to current versions
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