?? getintvalue.c
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#include <stdio.h>#include <string.h>#include <stdlib.h>#include "MyTest.h"jint Java_MyTest_getIntValue(JNIEnv *env, jobject obj, jarray myarray, jarray dblarray) { int j, val; jsize sz; int arr[10]; int *pa; jint* parr; sz = (*env)->GetArrayLength(env, myarray); printf("Size of int array: %d\n", sz); sz = (*env)->GetArrayLength(env, dblarray); printf("Size of double array: %d\n", sz); // get the individual array values // parr = (*env)->GetIntArrayElements(env, myarray, 0); for (j = 0; j< 10; j++) { val = (int) *(parr+j); printf("Value of array element: %d\n", val); } // change the array values // for (j = 0; j<10; j++) { parr[j] = 33; } for (j=0; j<10;j++) { val = (int) *(parr+j); printf("Value of array element: %d\n", val); } (*env)->ReleaseIntArrayElements(env,myarray, parr, 0); return(j);}
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