/**
 * Write a description of class ramdon here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Random
{
    //private int[] ran=new int[4];
    
    public Random()
    {
        
    }
    
    public void random(int[] ran)//生成不同的四個隨機數
    {
        int i;
        while(true)
        {
            for(i=0;i<4;i++)
                ran[i]=(int)(Math.random()*10);
            if(ran[0]==ran[1]||ran[0]==ran[2]||ran[0]==ran[3]||ran[1]==ran[2]||ran[1]==ran[3]||ran[2]==ran[3]);
            else break;
        }
    }
    
    
}