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Showing content from https://github.com/nativelibs4java/BridJ/wiki/CPlusPlus below:

CPlusPlus · nativelibs4java/BridJ Wiki · GitHub

Also read CurrentState and TypeMapping for more details.

Let's use the following C++ class throughout this page :

#ifndef TEST_EXPORT
#define TEST_EXPORT
#endif
class TEST_EXPORT TestClass {
public:
    virtual ~TestClass();
    virtual int testVirtualAdd(int a, int b);
};

Its BridJ bindings are easy to write, but it is advised to use JNAerator to create them, nevertheless :

import org.bridj.*;
import static org.bridj.Pointer.*;

public static class TestClass extends CPPObject {
	@Virtual(0) 
	public native int testVirtualAdd(int a, int b);
};

• GCC 4.x (& Intel C++ Compiler)
• Visual C++ 9.0

All of BridJ's supported platforms (see CurrentState).

• Creating C++ class instances :

TestClass test = new TestClass();
Pointer<TestClass> pTest = pointerTo(test);

• Calling C++ methods (including virtual and static ones, varargs) :

int result = test.testVirtualAdd(1, 2);

• Experimental support for C++ class templates (JNAerator is not yet compatible with this feature, so you'll have to write the template bindings by hand for now ; see CPPTemplateTest)
• Subclassing C++ classes from Java, with virtual methods overrides : And you can now derive from TestClass in Java very naturally :

TestClass test = new TestClass() {
	@Override
	public int testVirtualAdd(int a, int b) {
		return a + b;
	}
};

The only known limitation so far is that you cannot call super.testVirtualAdd from the overridden method yet (but this is worked on and should be possible in the next release).

• Exceptions !
• Multiple inheritance
• Virtual inheritance (not to be confused with virtual methods, which are supported)
• Function and method templates (only class templates are (partially) supported for now) ...

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