for(i=0;i<max-1;i++){
                for(j=i+1;j<max;j++){
                        if(number[i]>number[j]){
                                z=number[i];
                                number[i]=number[j];
                                number[j]=z;
                        }
                }
        }

 처음에 i가 0일때 j는 1인데
if를 만족할때까지 j가 증가하는거야 
아니면 둘다 같이 증가하는거야?