Core Java Interview Questions and Answers Collections Interview Tips
2,665 views · Published 10 September 2012 · 3:52 · Indexed 21 October 2026
Channel: Interview DOT · 2012 · Science & Technology
Click here - https://www.youtube.com/channel/UCd0U_xlQxdZynq09knDszXA?sub_confirmation=1 to get notifications. http://www.interviewdot.com Welcome to www.InterviewDot.com How to prepare for Java interview Questions : Top Java Interview Questions and Answers : Collection classes important points - Java Collection Classes -- Important Tips : ArrayList : Fast Iteration and fast random access. Vector : Its like slower ArrayList,but it has synchronized methods. LinkedList: Good for adding elements to the ends ie stacks and queues. Hashset : Fast access,assures no duplicates,providing no ordering. LinkedHashSet : No duplicates,iterates by insertion order. TreeSet : No dupicates,iterates in sorted order. Hashmap :Fastest updates [key / values];allows one null key ,many null values. Hashtable:Like a slower HashMap [as with vector,due to its synchronized methods],no null values or null keys allowed. For more Java Interview questions and answers - logon to www.InterviewDot.com - India's Top Interview Guide.
More from this channel
-
7:19
java pass by value
-
3:19
java interview best books
-
8:03
Explain java finally block
-
4:29
what are the advantages of OOPL Java Interview
-
5:51
Top 4 Job Interview Tips How to prepare for Job interview
-
5:29
Top Job Interview TIPS What are your strengths How to answer
-
3:49
Top 16 Job Interview Questions Best Job Interview Questions
-
2:57
Core Java Interview Questions and Answers For Freshers II