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  1. import java.util.ArrayList;
  2. import java.util.List;
  3.  
  4. public final class Table {
  5.     private final Column[] columns;
  6.     private final List<Object[]> records;
  7.  
  8.     public Table(final Column[] columns){
  9.         this.columns = columns;
  10.         this.records = new ArrayList<Object[]>();
  11.     }
  12.  
  13.     public final void insert(final Object... record) {
  14.         if (record.length != columns.length) {
  15.             throw new IllegalArgumentException();
  16.         }
  17.         records.add(record);
  18.     }
  19.  
  20.     public final Object[] select(final int index){
  21.         return records.get(index);
  22.     }
  23.  
  24.     public final void delete(final int index){
  25.         records.remove(index);
  26.     }
  27.  
  28.     public final int size(){
  29.         return records.size();
  30.     }
  31.  
  32.     public final Type getType(final int index){
  33.         return columns[index].getType();
  34.     }
  35.  
  36.     public final String getAttribute(final int index){
  37.         return columns[index].getAttribute();
  38.     }
  39.  
  40.     public final Object[] getAllRecords(){
  41.         Object[][] allRecords = new Object[records.size()][];
  42.         for (int i = 0; i < records.size(); i++){
  43.             allRecords[i] = records.get(i);
  44.         }
  45.         return allRecords;
  46.     }
  47.  
  48.     public final Column[] getAllColumns(){
  49.         return columns;
  50.     }
  51.  
  52.     public enum Type {
  53.         String,
  54.         Integer,
  55.     }
  56. }
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https://ideone.com/vLUKre
language:
Java (12.0.1)
created:
11 years ago
visibility:
secret

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