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Groovy example source code file (AnnotationClosureJavaCompatibilityTest.java)

This example Groovy source code file (AnnotationClosureJavaCompatibilityTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

annotationclosureexhaustivetestsupport, annotationclosureexhaustivetestsupport, annotationclosurejavacompatibilitytest, annotationclosurejavacompatibilitytest, class, class, closure, closure, constructor, exception, reflection, runtimeexception

The Groovy AnnotationClosureJavaCompatibilityTest.java source code

package gls.annotations.closures;

import java.lang.reflect.Constructor;

import groovy.lang.Closure;

// Uses annotation type declared in Java,
// instantiates annotation closure using pure Java APIs (no GDK),
// triggers stub generation for class JavaCompatibility
public class AnnotationClosureJavaCompatibilityTest extends AnnotationClosureExhaustiveTestSupport {
    public Class<?> getAnnotationClass() {
        return JavaAnnotationWithClassElement.class;

    public Class<?> getAnnotatedClass() {
        return JavaCompatibility.class;

    public void verify(Class closureClass) {
        try {
            Constructor ctor = closureClass.getConstructor(Object.class, Object.class);
            Closure closure = (Closure) ctor.newInstance(null, null);
            assertEquals(3, closure.call());
        } catch (Exception e) {
            throw new RuntimeException(e);

Other Groovy examples (source code examples)

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