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import java.io.FileInputStream;
public class Main {
public static void main(String[] argv) throws Exception {
FileInputStream fin = new FileInputStream("text.txt");
int len;
byte data[] = new byte[16];
// Read bytes until EOF is encountered.
do {
len = fin.read(data);
for (int j = 0; j < len; j++)
System.out.printf("%02X ", data[j]);
} while (len != -1);
}
}
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