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import java.io.DataInputStream;
import java.io.FileInputStream;
public class Main {
public static void main(String[] argv) throws Exception {
FileInputStream fileIn = new FileInputStream("data.txt");
DataInputStream dataIn = new DataInputStream(fileIn);
System.out.println(dataIn.readUTF());
int counter = dataIn.readInt();
double sum = 0.0;
for (int i = 0; i < counter; i++) {
double current = dataIn.readDouble();
System.out.println("Just read " + current);
sum += current;
}
System.out.println("\nAverage = " + sum / counter);
dataIn.close();
fileIn.close();
}
}
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