Class SmallMap<K,​V>

  • All Implemented Interfaces:
    java.util.Map<K,​V>

    public class SmallMap<K,​V>
    extends java.lang.Object
    implements java.util.Map<K,​V>
    A simple implementation of Map; intended for Maps with few elements. Optimized for space, not time -- use with care.
    • Nested Class Summary

      • Nested classes/interfaces inherited from interface java.util.Map

        java.util.Map.Entry<K extends java.lang.Object,​V extends java.lang.Object>
    • Constructor Summary

      Constructors 
      Constructor Description
      SmallMap()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clear()  
      boolean containsKey​(java.lang.Object key)  
      boolean containsValue​(java.lang.Object value)  
      java.util.Set<java.util.Map.Entry<K,​V>> entrySet()  
      V get​(java.lang.Object key)  
      K getKey​(int i)
      Use with care.
      java.lang.Object getValue​(int i)
      Use with care.
      boolean isEmpty()  
      java.util.Set<K> keySet()  
      V put​(java.lang.Object key, java.lang.Object value)  
      void putAll​(java.util.Map<? extends K,​? extends V> t)  
      V remove​(java.lang.Object key)  
      int size()  
      java.util.Collection<V> values()  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface java.util.Map

        compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll
    • Constructor Detail

      • SmallMap

        public SmallMap()
    • Method Detail

      • size

        public int size()
        Specified by:
        size in interface java.util.Map<K,​V>
      • getKey

        public K getKey​(int i)
                 throws java.lang.IllegalStateException
        Use with care.
        Returns:
        the ith key
        Throws:
        java.lang.IllegalStateException
      • getValue

        public java.lang.Object getValue​(int i)
                                  throws java.lang.IllegalStateException
        Use with care.
        Returns:
        the ith key
        Throws:
        java.lang.IllegalStateException
      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Map<K,​V>
      • containsKey

        public boolean containsKey​(java.lang.Object key)
        Specified by:
        containsKey in interface java.util.Map<K,​V>
      • containsValue

        public boolean containsValue​(java.lang.Object value)
        Specified by:
        containsValue in interface java.util.Map<K,​V>
      • get

        public V get​(java.lang.Object key)
        Specified by:
        get in interface java.util.Map<K,​V>
      • put

        public V put​(java.lang.Object key,
                     java.lang.Object value)
        Specified by:
        put in interface java.util.Map<K,​V>
      • remove

        public V remove​(java.lang.Object key)
                 throws java.lang.UnsupportedOperationException
        Specified by:
        remove in interface java.util.Map<K,​V>
        Throws:
        java.lang.UnsupportedOperationException
      • putAll

        public void putAll​(java.util.Map<? extends K,​? extends V> t)
                    throws java.lang.UnsupportedOperationException
        Specified by:
        putAll in interface java.util.Map<K,​V>
        Throws:
        java.lang.UnsupportedOperationException
      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Map<K,​V>
      • keySet

        public java.util.Set<K> keySet()
        Specified by:
        keySet in interface java.util.Map<K,​V>
      • values

        public java.util.Collection<V> values()
        Specified by:
        values in interface java.util.Map<K,​V>