Shulou(Shulou.com)06/02 Report--

Java how to use reflection to obtain an interface, many novices are not very clear about this, in order to help you solve this problem, the following small series will explain in detail for everyone, there are people who need this can learn, I hope you can gain something.

/**

* * * @param target * @return */public static ArrayList> subclasses = Lists.newArrayList(); try { //determine if the class object is an interface if (target.isInterface()) { @NotNull String basePackage = target.getClassLoader().getResource("").getPath(); File[] files = new File(basePackage).listFiles(); //list of class paths ArrayList classpaths = Lists.newArrayList(); for (File file : files) { //scan all compiled classes of the project if (file.isDirectory()) { listPackages(file.getName(), classpaths); } } //Get all classes, and then determine if they are implementation classes of target interface for (String classpath : classpaths) { Class classObject = Class.forName(classpath); if (classObject.getSuperclass() == null) continue; //Determine whether the parent class of the object is null Set object array//The data contained in this array is a subclass of the SophonInit interface//ArrayList

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