Package com.netflix.discovery.util

Class MapUtil

  • public final class MapUtil
extends java.lang.Object
    Utility methods for working with Maps.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <K,​V>
      java.util.HashMap<K,​V>      		 newHashMapWithExpectedSize​(int expectedSize)
      Creates a HashMap with enough capacity to hold the expected number of entries without resizing.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • newHashMapWithExpectedSize

        public static <K,​V> java.util.HashMap<K,​V> newHashMapWithExpectedSize​(int expectedSize)
        Creates a HashMap with enough capacity to hold the expected number of entries without resizing. This is equivalent to Guava's Maps.newHashMapWithExpectedSize().
        Type Parameters:
        K - the key type
        V - the value type
        Parameters:
        expectedSize - the expected number of entries
        Returns:
        a new HashMap with appropriate initial capacity