jni的几个类简单分析

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class _jobject {};

class _jclass : public _jobject {};

class _jstring : public _jobject {};

class _jarray : public _jobject {};

class _jobjectArray : public _jarray {};

class _jbooleanArray : public _jarray {};

class _jbyteArray : public _jarray {};

class _jcharArray : public _jarray {};

class _jshortArray : public _jarray {};

class _jintArray : public _jarray {};

class _jlongArray : public _jarray {};

class _jfloatArray : public _jarray {};

class _jdoubleArray : public _jarray {};

class _jthrowable : public _jobject {};

struct _jfieldID; /* opaque structure */

typedef struct _jfieldID* jfieldID; /* field IDs */

struct _jmethodID; /* opaque structure */

typedef struct _jmethodID* jmethodID; /* method IDs */

struct JNINativeInterface {

.......

}

struct _JNIEnv {

.....

};