Package com.pnfsoftware.jeb.util.collect

Class IntMap

java.lang.Object
com.pnfsoftware.jeb.util.collect.IntMap
@Ser public class IntMap extends Object
A memory-efficient map (dictionary) of int primitives to int primitives. Additions, retrieval, updates are supported. Deletes are not supported.

All ints are valid keys and values. The value 0, however, may indicate an empty entry.

Note: Object.hashCode() and Object.equals(Object) are not overridden.

  • Constructor Details

    • IntMap

      public IntMap()

  • Method Details

    • size

      public int size()

    • isEmpty

      public boolean isEmpty()

    • clear

      public void clear()

    • put

      public int put(int key, int val)
      Add an entry.
      Parameters:
      key -
      val -
      Returns:
      the previous value (0 if there was none associated with the key)

    • get

      public int get(int key)
      Retrieve a value associated to a key.
      Parameters:
      key -
      Returns:
      the value; 0 may indicate that the entry was not present in the map

    • containsKey

      public boolean containsKey(int key)
      Determine if the key maps to an entry in the map.
      Parameters:
      key -
      Returns:

    • toString

      public String toString()
      Overrides:
      toString in class Object