android/guava/src/com/google/common/collect/HashBasedTable.java
public static <R, C, V> HashBasedTable<R, C, V> create(
      int expectedRows, int expectedCellsPerRow) {
    checkNonnegative(expectedCellsPerRow, "expectedCellsPerRow");
    Map<R, Map<C, V>> backingMap = Maps.newLinkedHashMapWithExpectedSize(expectedRows);
    return new HashBasedTable<>(backingMap, new Factory<C, V>(expectedCellsPerRow));
  }
public static <R, C, V> HashBasedTable<R, C, V> create(
      int expectedRows, int expectedCellsPerRow) {
    checkNonnegative(expectedCellsPerRow, "expectedCellsPerRow");
    Map<R, Map<C, V>> backingMap = Maps.newLinkedHashMapWithExpectedSize(expectedRows);
    return new HashBasedTable<>(backingMap, new Factory<C, V>(expectedCellsPerRow));
  }
public static < R , C , V > HashBasedTable < R , C , V > create ( int expectedRows , int expectedCellsPerRow ) { checkNonnegative ( expectedCellsPerRow , "expectedCellsPerRow" ) ; Map < R , Map < C , V > > backingMap = Maps . newLinkedHashMapWithExpectedSize ( expectedRows ) ; return new HashBasedTable <> ( backingMap , new Factory < C , V > ( expectedCellsPerRow ) ) ; }
Creates an empty {@code HashBasedTable} with the specified map sizes.

@param expectedRows the expected number of distinct row keys
@param expectedCellsPerRow the expected number of column key / value mappings in each row
@throws IllegalArgumentException if {@code expectedRows} or {@code expectedCellsPerRow} is
negative
Creates an empty { @code HashBasedTable } with the specified map sizes .