JAVA Lotto2[로또 ver 2.0]

public class Lotto {
	public static void main(String[] args) {
		int[] LottoNum = new int [6];
		int	i , Pos , r , flag;
		Pos = 0;
		for(i=0;i<6;i++) {
			do {
				flag = 0;
				r = (int)(Math.random()*45) + 1;
				for(int j=0;j<Pos;j++) {
				  if (LottoNum[j]==r) flag = 1;	
				}
				if (flag==0) {
					LottoNum[Pos] = r;
					Pos++;
				}
			}while(flag==1);
		}
		System.out.print("이번주는 = ");
		for(i=0;i<6;i++) {
			System.out.print(LottoNum[i] + " ");
		}
		System.out.println();
	}
}