Class StringToIntMap


  • public class StringToIntMap
    extends java.lang.Object
    Straightforward, many-to-one map from Strings to ints, based on a Java HashMap.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static int DEFAULT_VALUE  
      private java.util.HashMap<java.lang.String,​java.lang.Integer> map  
    • Constructor Summary

      Constructors 
      Constructor Description
      StringToIntMap()
      Constructor.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean containsKey​(java.lang.String key)
      Check if the the argument string is defined as a key in this map.
      int get​(java.lang.String key)
      Get the value for the key.
      int put​(java.lang.String key, int value)
      Add a key-value pair to the map.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • map

        private java.util.HashMap<java.lang.String,​java.lang.Integer> map
    • Constructor Detail

      • StringToIntMap

        public StringToIntMap()
        Constructor.
        See Also:
        Object()
    • Method Detail

      • containsKey

        public boolean containsKey​(java.lang.String key)
        Check if the the argument string is defined as a key in this map.
        Parameters:
        key - The string to be looked up.
        Returns:
        true if a value is defined for this string; false else.
        See Also:
        Map.containsKey(java.lang.Object)
      • get

        public int get​(java.lang.String key)
        Get the value for the key.
        Parameters:
        key - The string to be looked up.
        Returns:
        The int value for key, or 0 if key is not a key in the map. Use containsKey() to find out if key is actually defined in the map.
      • put

        public int put​(java.lang.String key,
                       int value)
        Add a key-value pair to the map.
        Parameters:
        key - The string key.
        value - The int value.
        Returns:
        The previous value of key, if it was set. 0 else.