Abstract classes and interfaces are plentiful in Java code, and even in the Java Development Kit (JDK) itself. Each code element serves a fundamental purpose: Many developers believe that ...

本项目基于抽象语法树（AST），符号解析器（JavaSymbolSolver）两大核心，使用递归下降的代码解析算法（LL(K)）得到 AST ...

Exception in thread "main" java.lang.ClassCastException ... To start, analyze the following code carefully: public class PolymorphismChallenge { static abstract class Simpson { void talk ...

If you are a Java developer, you probably have encountered ... types of products or families without modifying the existing code. Abstract Factory is a design pattern that adds another layer ...

Abstract: One of the principles of the agile development methodology ... ACME enables a developer to convert AspectJ code to pure Java code according to conversion patterns. The available patterns are ...

ASTExtractor is an Abstract Syntax Tree (AST) extractor for Java source code, based on the Eclipse compiler. The tool functions as a wrapper of the Eclipse compiler and allows exporting the AST of ...

Abstract: In this article, we mainly propose a method of function level code clone detection for Java language. The method includes a source code preprocessing strategy which unifies some Java ...