jni « string « Java Data Type Q&A

1. Passing string from Java into JNI    stackoverflow.com

I want to pass a string into the JNI I am writing which have to be assigned to a const char*. The below mentioned is how I have done it:

JNI...(...,jstring jstr...){

const char* ...

2. 09?30?ß#@÷g gets displayed when i had not passed this String    stackoverflow.com

I am trying to pass a String to a native c function but the String gets printed as 09?30?ß#@÷g for the String Type a String : . I don't know what ...

3. JNI problem, pasing String to native (C function) by reference    coderanch.com

4. why my method can not receive the string from JNI    forums.oracle.com

for my BeatTrack method, I just need the filename, then it can run, if I comment the BeatTrack(filename);, then no problem, for the java calling, of course, my BeatTrack(const *char filename) has no problem, cause I have test it,, but I call this method in java, the error is as follows, Java VM: Java HotSpot(TM) Client VM (10.0-b19 mixed mode, sharing ...