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C/C++ code:

#include <jni.h>
#include "Hello.h"
#include <stdio.h>
JNIEXPORT void JNICALL Java_Hello_sayHello
(JNIEnv *env, jobject obj)
{
printf("Hello world !\n");
return;
}


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char a='s';
char str[8]="Hello123";
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int main(void)
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