diff --git a/modules/java/generator/android/java/org/opencv/android/Utils.java b/modules/java/generator/android/java/org/opencv/android/Utils.java
index eef4c45622..80e85f5f88 100644
--- a/modules/java/generator/android/java/org/opencv/android/Utils.java
+++ b/modules/java/generator/android/java/org/opencv/android/Utils.java
@@ -23,24 +23,20 @@ public class Utils {
     public static String exportResource(Context context, int resourceId, String dirname) {
         String fullname = context.getResources().getString(resourceId);
         String resName = fullname.substring(fullname.lastIndexOf("/") + 1);
-        try {
-            InputStream is = context.getResources().openRawResource(resourceId);
+        try (InputStream is = context.getResources().openRawResource(resourceId)) {
             File resDir = context.getDir(dirname, Context.MODE_PRIVATE);
             File resFile = new File(resDir, resName);
 
-            FileOutputStream os = new FileOutputStream(resFile);
-
-            byte[] buffer = new byte[4096];
-            int bytesRead;
-            while ((bytesRead = is.read(buffer)) != -1) {
-                os.write(buffer, 0, bytesRead);
+            try (FileOutputStream os = new FileOutputStream(resFile)) {
+                byte[] buffer = new byte[4096];
+                int bytesRead;
+                while ((bytesRead = is.read(buffer)) != -1) {
+                    os.write(buffer, 0, bytesRead);
+                }
             }
-            is.close();
-            os.close();
 
             return resFile.getAbsolutePath();
         } catch (IOException e) {
-            e.printStackTrace();
             throw new CvException("Failed to export resource " + resName
                     + ". Exception thrown: " + e);
         }
@@ -53,19 +49,22 @@ public class Utils {
 
     public static Mat loadResource(Context context, int resourceId, int flags) throws IOException
     {
-        InputStream is = context.getResources().openRawResource(resourceId);
-        ByteArrayOutputStream os = new ByteArrayOutputStream(is.available());
+        byte[] data;
+        int dataLength;
 
-        byte[] buffer = new byte[4096];
-        int bytesRead;
-        while ((bytesRead = is.read(buffer)) != -1) {
-            os.write(buffer, 0, bytesRead);
+        try (InputStream is = context.getResources().openRawResource(resourceId);
+             ByteArrayOutputStream os = new ByteArrayOutputStream(is.available())) {
+            byte[] buffer = new byte[4096];
+            int bytesRead;
+            while ((bytesRead = is.read(buffer)) != -1) {
+                os.write(buffer, 0, bytesRead);
+            }
+            data = os.toByteArray();
+            dataLength = os.size();
         }
-        is.close();
 
-        Mat encoded = new Mat(1, os.size(), CvType.CV_8U);
-        encoded.put(0, 0, os.toByteArray());
-        os.close();
+        Mat encoded = new Mat(1, dataLength, CvType.CV_8U);
+        encoded.put(0, 0, data);
 
         Mat decoded = Imgcodecs.imdecode(encoded, flags);
         encoded.release();