dotnet · simonrozsival · Jun 9, 2026
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
@@ -36,7 +36,6 @@
 - **`Java.Interop/`**: Main JNI binding library with core types and runtime
 - **`Java.Interop.Dynamic/`**: C# 4.0 `dynamic` provider for runtime method invocation
 - **`Java.Interop.Export/`**: `[Export]` attribute support for exposing managed methods to Java
-- **`Java.Base/`**: Bindings for core Java types (`java.lang.*`, etc.)
 
 ### Code Generation Tools (`tools/`)
 - **`generator/`**: Primary tool for generating C# bindings from Java API descriptions

diff --git a/.github/skills/build-and-test/SKILL.md b/.github/skills/build-and-test/SKILL.md
@@ -56,7 +56,6 @@ Common test projects:
 - `Java.Interop-Tests` — core JNI binding tests (largest suite)
 - `Java.Interop.Export-Tests` — export attribute tests
 - `Java.Interop.Dynamic-Tests` — dynamic invocation tests
-- `Java.Base-Tests` — Java.Base binding tests
 - `generator-Tests` — C# binding generator tests
 - `Java.Interop.Tools.JavaCallableWrappers-Tests` — JCW generation tests
 

diff --git a/Java.Interop.sln b/Java.Interop.sln
@@ -83,8 +83,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Tools.JavaType
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Java.Interop.Tools.JavaTypeSystem-Tests", "tests\Java.Interop.Tools.JavaTypeSystem-Tests\Java.Interop.Tools.JavaTypeSystem-Tests.csproj", "{11942DE9-AEC2-4B95-87AB-CA707C37643D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Java.Base", "src\Java.Base\Java.Base.csproj", "{30DCECA5-16FD-4FD0-883C-E5E83B11565D}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Tools.Maven", "src\Java.Interop.Tools.Maven\Java.Interop.Tools.Maven.csproj", "{DA458F90-218B-4FE3-995F-AF4B27895FA2}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Tools.Maven-Tests", "tests\Java.Interop.Tools.Maven-Tests\Java.Interop.Tools.Maven-Tests.csproj", "{6BC04C7F-949E-4F93-BF1F-E3B1DF0B888D}"
@@ -239,10 +237,6 @@ Global
 		{11942DE9-AEC2-4B95-87AB-CA707C37643D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{11942DE9-AEC2-4B95-87AB-CA707C37643D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{11942DE9-AEC2-4B95-87AB-CA707C37643D}.Release|Any CPU.Build.0 = Release|Any CPU
-		{30DCECA5-16FD-4FD0-883C-E5E83B11565D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{30DCECA5-16FD-4FD0-883C-E5E83B11565D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{30DCECA5-16FD-4FD0-883C-E5E83B11565D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{30DCECA5-16FD-4FD0-883C-E5E83B11565D}.Release|Any CPU.Build.0 = Release|Any CPU
 		{DA458F90-218B-4FE3-995F-AF4B27895FA2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{DA458F90-218B-4FE3-995F-AF4B27895FA2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DA458F90-218B-4FE3-995F-AF4B27895FA2}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -295,7 +289,6 @@ Global
 		{BF5A4019-F2FF-45AC-949D-EF7E8C94196B} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
 		{B173F53B-986C-4E0D-881C-063BBB116E1D} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
 		{11942DE9-AEC2-4B95-87AB-CA707C37643D} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
-		{30DCECA5-16FD-4FD0-883C-E5E83B11565D} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
 		{DA458F90-218B-4FE3-995F-AF4B27895FA2} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
 		{6BC04C7F-949E-4F93-BF1F-E3B1DF0B888D} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
 		{C2AF6ACF-04F6-4B41-95EA-97A372C075F9} = {40B3CE2F-B8DE-45CD-A43A-0F1A89BDB803}

diff --git a/build-tools/Java.Interop.Sdk/Sdk/Sdk.targets b/build-tools/Java.Interop.Sdk/Sdk/Sdk.targets
@@ -150,10 +150,6 @@
       <!-- I can't find a good way to trim the trailing `\`, so append with `.` so we can sanely quote for $(_Libpath) -->
       <_RefAsmDir Include="@(ReferencePathWithRefAssemblies->'%(RootDir)%(Directory).'->Distinct())" />
       <_Lib Include="@(_RefAsmDir->'-L &quot;%(Identity)&quot;')" />
-      <_JavaBaseRef Include="@(ReferencePathWithRefAssemblies)"
-          Condition=" '%(FileName)' == 'Java.Base' "
-      />
-      <_Ref Include="@(_JavaBaseRef->'-r &quot;%(FullPath)&quot;')" />
     </ItemGroup>
     <Exec
         Command="$(DotnetToolPath) $(Generator) $(_GenFlags) $(_ApiLevel) $(_Out) @(_Lib, ' ') @(_Ref, ' ') $(_Codegen) $(_Assembly) $(_TypeMap) $(_LangFeatures) $(_Dirs) $(_Api) $(_WithJavadocXml)"

diff --git a/src/Java.Base-ref.cs b/src/Java.Base-ref.cs
diff --git a/src/Java.Base/Java.Base.csproj b/src/Java.Base/Java.Base.csproj
diff --git a/src/Java.Base/Java.Base.targets b/src/Java.Base/Java.Base.targets
diff --git a/src/Java.Base/Java.IO/PrintStream.cs b/src/Java.Base/Java.IO/PrintStream.cs
diff --git a/src/Java.Base/Java.IO/Writer.cs b/src/Java.Base/Java.IO/Writer.cs
diff --git a/src/Java.Base/Java.Lang/Class.cs b/src/Java.Base/Java.Lang/Class.cs
diff --git a/src/Java.Base/Java.Lang/Double.cs b/src/Java.Base/Java.Lang/Double.cs
diff --git a/src/Java.Base/Java.Lang/Float.cs b/src/Java.Base/Java.Lang/Float.cs
diff --git a/src/Java.Base/Java.Lang/ICharSequence.cs b/src/Java.Base/Java.Lang/ICharSequence.cs
diff --git a/src/Java.Base/Java.Lang/Integer.cs b/src/Java.Base/Java.Lang/Integer.cs
diff --git a/src/Java.Base/Java.Lang/Long.cs b/src/Java.Base/Java.Lang/Long.cs
diff --git a/src/Java.Base/Java.Lang/Object.cs b/src/Java.Base/Java.Lang/Object.cs
diff --git a/src/Java.Base/Java.Lang/String.cs b/src/Java.Base/Java.Lang/String.cs
diff --git a/src/Java.Base/Java.Lang/StringBuffer.cs b/src/Java.Base/Java.Lang/StringBuffer.cs