public class Lottery{ 
    public static void main(String[] args){ 
        int a[]=new int[7]; 
        System.out.println("33選7現在開始搖獎.........."); 
         
        end:for(int i=0;i<=6;i++){ 
        java.util.Random ran = new java.util.Random(); 
        int num = ran.nextInt(33)+1; 
        a[i]=num; 
            for(int j=0;j<i;j++){ 
                if(a[i]==a[j]){ 
                    i--; 
                    continue end; 
                } 
            } 
                System.out.println(a[i]); 
            } 
            int x; 
            for(int j=1;j<7;j++){ 
                for(int i=0;i<7-j;i++){ 
                 
                if(a[i]>a[i+1]){ 
                        x=a[i]; 
                        a[i]=a[i+1]; 
                        a[i+1]=x; 
                } 
                } 
            } 
                System.out.print("本期號碼為:"); 
                for(int i=0;i<7;i++){ 
                    System.out.print(a[i]+"  "); 
                } 
        } 
}