Raw use of parameterized class Future 代码如下: List futureList = new ArrayList(2); 警告:Raw use of parameterized class 'Future' Inspection...Such raw uses of parameterized types are valid in Java, but defeat the purpose of using type parameters ...
There are a few minor exceptions to the rule that you should not use raw types.You must use raw types in class literals.The specification does not permit the use of parameterized types (though it does permit array types and primitive types) [JLS, 15.8.2]. In other words, List.class, S...
// Legitimate use of raw type - instanceof operator if (o instanceof Set ) { // Raw type Set<?> m = (Set<?>) o; // Wildcard type ... } Summary Raw types can lead to exceptions at runtime, so don't use them in new code; Set<Object> is a parameterized type representing a...
Table of Contents Preface 1 Chapter 1: What is Node? 7 What can you do with Node? Server-side JavaScript Why should you use Node? Architecture: Threads versus asynchronous event-driven Performance and utilization Server utilization, the bottom line, and green web hosting Spelling: Node, Node....