Example: Machine-selected color ball, use the set, sort in the collection, for Loop,. Next random number. A lot of knowledge.

while (true)

{

Random r = new random ();//Definition of stochastic

ArrayList red = new ArrayList ();//collection type can be put into

while (true)

{

if (red. Count = = 6)//red ball contains six numbers

{

break;//Select six numbers and you will choose to jump out

}

Else

{

int temp = R.next (1, 34);//randomly pick a red ball

if (red. Contains (temp))//Selected red ball and the last red ball repeat

{

}

Else

{

Red. Add (temp);//If repeat is not, add red ball if not repeat

}

}

}

Red. Sort ();

Console.Write ("Red ball for;"); /Output Red ball

for (int i = 0; i < red. Count; i++)//Using loops to select a group of red balls continuously

{

Console.Write (Red[i] + "\ t");

}

Console.Write ("Basketball for" + r.next (1, 17));//basketball only one, so randomly choose one on the line

Console.ReadLine ();

Example: Machine-selected color ball, use the set, sort in the collection, for Loop,. Next random number. A lot of knowledge.