### Question:
Column { @Override public String toString() { return tableName + "." + name; } Column(String tableName, String name); Type getType(); String getName(); @Override String toString(); void addLine(String string); Comparable<?> getValue(int line); Long getLong(int line); Double getDouble(int line); String getString(int line);  }### Answer:
@Test public void testToString() { Column c = new Column("relation", "test"); Assert.assertEquals("relation.test", c.toString()); }