JNBridgePro for incremental modernization

Modernize Java and .NET without rewriting either side.

Preserve validated Java logic while your .NET teams move forward. Reuse proven Java systems from .NET, modernize incrementally, and avoid the cost and risk of a big-bang rewrite.

Talk to an engineer See how it works

How it works

From Java to .NET in three steps

Existing Java code, callable as native .NET — no rewrites.

1

Generate proxies

Use JNBridgePro to generate .NET proxies from Java.

MyLibrary.jar
Proxies.dll
2

Drop into your project

Add the proxy DLL to your project and configure the bridge.

dotnet-app/
├── Program.cs
└── lib/
   └── Proxies.dll ✓
3

Call Java like .NET

Use Java classes from C# with native syntax — no glue code.

// C#
JavaClass obj =
  new JavaClass();
obj.compute();

Why modernize with JNBridgePro

Skip the rewrite tax. Keep the logic that already works.

Modernization does not have to mean rebuilding every proven Java component. JNBridgePro lets teams connect existing Java and .NET systems, ship incremental wins, and reduce rewrite risk.

1

Preserve validated Java logic

Keep proven risk engines, rules, algorithms, and business logic running as Java instead of recreating years of behavior from scratch.

2

Modernize one layer at a time

Move user interfaces, services, cloud deployments, or .NET applications forward while bridging to the Java systems that still matter.

3

Prove value before rewriting

Start with targeted integration wins, then decide what to migrate later. Teams can reduce timelines, protect production behavior, and avoid big-bang risk.

Trusted worldwide

600+ enterprises ship on JNBridgePro

From Wall Street banks to defense primes to global pharma, the world’s most demanding teams bridge Java and .NET with JNBridgePro.

And here’s what they got

2hr → 12min

Risk assessment time, saving an estimated $100K in dev costs.

Major financial institution

3× faster

Deployment efficiency vs their prior IKVM-based solution.

Progress Corticon

Zero rewrites

Java numerical API reused directly from VBA/.NET by actuaries.

Swiss Re

Read all customer stories →

Bridge Java and .NET

No rewrites. No surprises.

Start with a 30-day trial of the full product, or talk to an engineer about your specific integration path.

Download free trial → Talk to an engineer
Trusted by Boeing · Bank of America · IBM · Lockheed Martin + 600 more