Add explode support in combination with arrayShema annotation. Fixes #987

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/GenericParameterService.java

@@ -54,8 +54,6 @@
 import org.springframework.core.io.Resource;
 import org.springframework.web.multipart.MultipartFile;
 
-import static java.util.Objects.isNull;
-
 /**
  * The type Generic parameter builder.
  * @author bnasslahsen, coutin
@@ -400,9 +398,10 @@ private void setParameterStyle(Parameter parameter, io.swagger.v3.oas.annotation
 	private boolean isExplodable(io.swagger.v3.oas.annotations.Parameter p) {
 		io.swagger.v3.oas.annotations.media.Schema schema = p.schema();
 		io.swagger.v3.oas.annotations.media.ArraySchema arraySchema = p.array();
+
 		boolean explode = true;
 		Class<?> implementation = schema.implementation();
-		if (implementation == Void.class && !schema.type().equals("object") && !schema.type().equals("array") && isNull(arraySchema)) {
+		if (implementation == Void.class && !schema.type().equals("object") && !schema.type().equals("array") && !AnnotationsUtils.hasArrayAnnotation(arraySchema)) {
 			explode = false;
 		}
 		return explode;