Objenesis VS Reflections

Compare Objenesis vs Reflections and see what are their differences.

Objenesis

Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here. (by easymock)

Reflections

Java runtime metadata analysis (by ronmamo)
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Objenesis Reflections
2 2
578 4,666
-0.2% -
8.6 2.1
1 day ago 8 days ago
Java Java
Apache License 2.0 Do What The F*ck You Want To Public License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Objenesis

Posts with mentions or reviews of Objenesis. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-06-06.

Reflections

Posts with mentions or reviews of Reflections. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-07-03.
  • Is it possible to obtain all the built-in classes via reflection?
    1 project | /r/javahelp | 23 Jul 2022
    You could use the Reflections library(https://github.com/ronmamo/reflections) to do that within a specific package to do what you want(example taken from the Github repository)
  • Get list of objects/classes/interfaces under a package
    2 projects | /r/androiddev | 3 Jul 2021
    I'm building an app with Jetpack Compose in Kotlin, and I would like to get a list of material icons from the package androidx.compose.material.icons. I think scanning the package and get the list of objects would be good enough, so I have tried using classgraph and reflections but both of them return an empty list even when I scanned with no filters i.e just input the package name (I followed their sample code). I hope someone who has done this before can show me the correct approach to this issue, thanks a lot

What are some alternatives?

When comparing Objenesis and Reflections you can also consider the following projects:

ReflectASM - High performance Java reflection

ClassGraph - An uber-fast parallelized Java classpath scanner and module scanner.

jOOR - jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.

MOOS - C# x64 operating system programming with the .NET native ahead-of-time compilation technology.

Flowable (V6) - A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

VTIL-Core - Virtual-machine Translation Intermediate Language

llvm-project - The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

Python-to-x86-asm - Python-to-x86 assembly compiler for CSCI4555 (Compiler Construction)

.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.