groovy-core/src/test/groovy/SomeClass.java

package groovy;

/**
 * Arbitrary holder for Java Methods to be called by Groovy TestCases.
 * @author Dierk Koenig
 */

public class SomeClass {
    // currently not supported to be called from Groovy
    public String[][] anArrayOfStringArrays(){
        return new String[][]{{"whatever"}};
    }
    public Object[] anArrayOfStringArraysWorkaround(){
        return new Object[]{ new String[]{"whatever",null}};
    }
}