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| import java.util.ArrayList; | |
| import java.util.List; | |
| import java.util.Random; | |
| public class BingoCard { | |
| private List<Integer> numbers = new ArrayList<Integer>(); | |
| private Column[] columns = { | |
| new Column("B", 1, 5, 1, 15), | |
| new Column("I", 6, 10, 16, 30), |