Objenesis vs ReflectASM

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)

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objenesis.org

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ReflectASM

High performance Java reflection (by EsotericSoftware)

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Objenesis		ReflectASM
	Project
2	Mentions	-
578	Stars	1,491
-0.2%	Growth	0.0%
8.6	Activity	0.0
1 day ago	Latest Commit	about 1 year ago
Java	Language	Java
Apache License 2.0	License	BSD 3-clause "New" or "Revised" 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.

If you want to remove one language feature in Java what will be your pick and why?
1 project | /r/java | 27 Dec 2022

I think objenesis is one of these.
Great answer
7 projects | /r/ProgrammerHumor | 6 Jun 2022

Ultimately, there is no reason that "Collections" should be a class. It can never be constructed (probably, though there's workarounds), and any code that treats it as a class is guaranteed to be a bug.

ReflectASM

Posts with mentions or reviews of ReflectASM. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning ReflectASM yet.
Tracking mentions began in Dec 2020.

What are some alternatives?

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

Reflections - Java runtime metadata analysis

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.

platform - The Jakarta EE Platform project produces the Jakarta EE platform specification, which is an umbrella specification that aggregates all other Jakarta EE specifications.

VTIL-Core - Virtual-machine Translation Intermediate Language

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

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)