(Generate vehicle plate numbers) Assume a vehicle plate number consists of three uppercase letters followed by four digits. Write a program to generate a plate number

/*
(Generate vehicle plate numbers) Assume a vehicle plate number consists of three
uppercase letters followed by four digits. Write a program to generate a plate
number.
*/
public class Exercise_04_25 {
	public static void main(String[] args) {
		// Generate three random uppercase letters
		int letter1 = 65 + (int)(Math.random() * (90 - 65));
		int letter2 = 65 + (int)(Math.random() * (90 - 65));
		int letter3 = 65 + (int)(Math.random() * (90 - 65));	

		// Generate four random digits
		int number1 = (int)(Math.random() * 10);
		int number2 = (int)(Math.random() * 10);
		int number3 = (int)(Math.random() * 10);
		int number4 = (int)(Math.random() * 10);

		// Display number plate
		System.out.println("" + (char)(letter1) + ((char)(letter2)) + 
			((char)(letter3)) + number1 + number2 + number3 + number4);
	}
}