Explore the technical principles of the technical principles of 'Excalibur Collections' framework in the Java library

'Excalibur Collections' is a framework in a Java library that provides a set of high -performance and flexible collection data structures.It follows some important technical principles to ensure the reliability, maintenance and scalability of the code. 1. Emphasize the use of the interface: 'Excalibur Collections' framework encourages the use of interfaces to define the behavior and operation of the collection.By using the interface, the flexibility of the code can be enhanced and the replacement of specific implementation can be allowed. // Example: Use the interface definition collection operation public interface MyCollection<T> { void add(T item); T get(int index); int size(); } 2. Provide non -variable support: 'Excalibur Collections' framework supports uncharacteristic set, which means that once a collection is created, it cannot be modified.The uncharacteristic collection provides better concurrency performance and data security in the multi -threaded environment. // Example: Create an uncharacteristic collection List<String> list = ImmutableCollections.asList("A", "B", "C"); 3. High -performance and low memory occupation: 'Excalibur Collections' Framework focuses on providing a collection of sets of high -performance and low memory occupation.It uses optimized algorithms and data structures to improve the access speed of the set and reduce memory consumption. // Example: Use high -performance collection List<Integer> list = new FastList<>(); list.add(1); list.add(2); list.add(3); 4. Support functional collection types: 'Excalibur Collections' framework provides many functional collection types to meet different business needs.For example, it provides a collection of collection such as supporting sorting, filtering, and mapping. // Example: Use a collection of functions List<Integer> list = new MutableList<>(); list.add(1); list.add(2); list.add(3); List<Integer> mappedList = list.map(num -> num * 2); In short, the 'Excalibur Collections' framework follows some important technical principles in the Java library. Through the use of interfaces, non -variable support, high -performance and low memory occupation, and rich functional collection types, it provides more reliable and more reliable and more reliable and available.Maintain and scalable set data structures.Developers can choose the appropriate collection type according to actual needs, and use the corresponding method to operate and process data in the collection.