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import java.math.BigInteger;
import java.util.Random;
public class Demo {
public static void main(String... a) {
int max = 10;
Random randNum = new Random();
byte[] b = new byte[max];
randNum.nextBytes(b);
// BigInteger type
BigInteger bigInt = new BigInteger(b);
System.out.println("Very large random number = "+bigInt);
}
}
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