6-13 编程练习题答案

import java.util.Scanner;

public class Test
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
System.out.print("Enter some numbers: ");
int[] numbers = new int[3];
for(int i = 0; i < 3; i++)
numbers[i] = input.nextInt();
System.out.println("The random number is " + getRandom(numbers));
}

public static int getRandom(int...numbers)
{
boolean flag = true;
int randomNumber = -1;
while(flag)
{
randomNumber = (int)(Math.random() * 54 + 1);
flag = false;
for(int i = 0; i < numbers.length; i++)
{
if(randomNumber == numbers[i])
flag = true;
}
}
return randomNumber;
}
}