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Tip: Get the Abstract Methods of a Class

Learn to isolate the abstract methods from a class with the Java Reflection API.


With the Java Reflection API, we can isolate the abstract methods from a class via the following snippet of code:

List abstractMethods = new ArrayList();
Class clazz = Foo.class;

Method[] methods = clazz.getDeclaredMethods();

for (Method method : methods) {
    if (Modifier.isAbstract(method.getModifiers())) {


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Octavia Andreea Anghel is a senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at a national level. She is a coauthor of the book "XML Technologies--XML in Java" (Albastra, ISBN 978-973-650-210-1), for which she wrote the XML portions. In addition to PHP and XML, she's interested in software architecture, web services, UML, and high-performance unit tests.
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