How can I instantiate a Java generic with JNI?

If I want to instantiate a D开发者_StackOverflow中文版ate, I can use:

jclass cls = (*env)->FindClass(env, "java/util/Date");
jmethodID ctr = (*env)->GetMethodID(env, cls, "<init>", "()V");
jobject obj = (*env)->NewObject(env, cls, ctr);

But how do I instantiate an ArrayList<String>?

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In the same way. On VM level, there are no generics.

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@noise is correct. Generics are used simply to ensure type safety. When compiled, the compiler does "type erasure". Check out this more detailed explanation of type erasure: Type Erasure