JNI call static method with arguments and return object

main.cpp

JNIEnv *jni;

// class and method finding
jclass clazz = jni->FindClass("java/lang/String");
jmethodID method = jni->GetStaticMethodID(clazz, "valueOf", "(Ljava/lang/Object;)Ljava/lang/String;");
if(method == NULL){
  jni->FatalError("Class method not found\n");
}

// method execution
jstring arg1 = jni->NewStringUTF("Hello World!!!");
jstring result = (jstring) jni->CallStaticObjectMethod(clazz, method, arg1);
jni->ReleaseStringUTFChars(arg1, NULL);
if (result == NULL) {
  jni->FatalError("couldn't call method");
}

// result presentation
jboolean isCopy = (jboolean) false;
printf("result: %s\n", jni->GetStringUTFChars(result, &isCopy));

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@taru168175
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