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Start your free trialDai Phong
20,395 PointsDoes this quiz setup properly?
I can't pass this quiz. Here is the error:
./FileUtilities.java:16: error: no suitable constructor found for FileOutputStream(File)
FileOutputStream out = new FileOutputStream(fileToWrite);
^
constructor FileOutputStream.FileOutputStream(String) is not applicable
(argument mismatch; File cannot be converted to String)
constructor FileOutputStream.FileOutputStream(java.io.File) is not applicable
(argument mismatch; File cannot be converted to java.io.File)
constructor FileOutputStream.FileOutputStream(FileDescriptor) is not applicable
(argument mismatch; File cannot be converted to FileDescriptor)
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
I don't know why error. I check the documentation and FileOutputStream(File) is available.
Here is my code:
import java.io.InputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class FileUtilities {
public static boolean copyResult;
public static void saveAssetImage(Context context, String assetName) {
File fileToWrite = new File(context.getFilesDir(), assetName);
AssetManager assetManager = context.getAssets();
try {
InputStream in = assetManager.open(assetName);
FileOutputStream out = new FileOutputStream(fileToWrite);
copyResult = copyFile(in, out);
in.close();
out.close();
} catch(FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private static boolean copyFile(InputStream in, FileOutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
// Copy magic intentionally omitted
return true;
}
}
When I remove import java.io.FileOutputStream;
, there is a different error:
./FileUtilities.java:15: error: cannot find symbol
out.close();
^
symbol: method close()
location: variable out of type FileOutputStream
./FileUtilities.java:27: error: cannot find symbol
out.write(buffer, 0, read);
^
symbol: method write(byte[],int,int)
location: variable out of type FileOutputStream
2 errors