Random Number
import java.util.*;
public class question {
public static void main(String[] args) {
System.out.println((char)('A' + Math.random() * 27));
Random rn = new Random();
//int range = 9999999 - 1000000 + 1;
int randomNum = rn.nextInt(1) + 100; // For 7 digit number
System.out.println(randomNum);
Random rc = new Random();
char c = (char)(rc.nextInt(26) + 'A');
System.out.println(c);
String str = c+""+randomNum;
System.out.println(str);
}
}