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public class JNITester
{
static
{
String libPath = System.getProperty("java.library.path");
System.out.println("java.library.path is: " + libPath);
System.loadLibrary("testnativelib");
}
native String helloWorld(String name);
public static void main(String[] args)
{
JNITester jniTester = new JNITester();
System.out.println(jniTester.helloWorld(args[0]));
}
}
#include <jni.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
JNIEXPORT jstring JNICALL Java_JNITester_helloWorld(JNIEnv *env, jobject jobj, jstring name)
{
jboolean iscopy;
jstring jresult;
char *greet_str;
const char *input_name = (*env)->GetStringUTFChars(env, name, &iscopy);
greet_str = (char*) malloc(sizeof(char) * 50);
strcpy(greet_str, "Hello, ");
strcat(greet_str, input_name);
jresult = (*env)->NewStringUTF(env, greet_str);
(*env)->ReleaseStringUTFChars(env, name, input_name);
return (jresult);
}
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