BookMarks - Technology

This page contains book marks with quite minimal details. Author shows basic information you may interested in knowing the default capacity of few of datastructurs. https://www.quora.com/What-is-a-default-capacity-of-ArrayList-Vector-HashMap-Hashtable-and-Hashset Author gives clear picture of load factor in hashmap, he is even talking about " rehashing"  . http://javaconceptoftheday.com/initial-capacity-and-load-factor-of-hashmap-in-java/ There are various ways of implementing singleton design pattern, each has their merits and demerits, so learn what is best way to implement singleton pattern in java. https://www.journaldev.com/1377/java-singleton-design-pattern-best-practices-examples To achieve good understanding on WeakHashmap and concurrenthashmap http://java-career.blogspot.com/2012/07/weakhashmap-and-concurrenthashmap.html This site has quick handy questions and answers for core java interview. http://java-questions.com/