This week's book giveaway is in the Kotlin forum.
We're giving away four copies of Kotlin in Action and have Dmitry Jemerov & Svetlana Isakova on-line!
See this thread for details.
Win a copy of Kotlin in Action this week in the Kotlin forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic

null values in hash map  RSS feed

 
sumi sudha
Greenhorn
Posts: 14
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
i know hash map can accept null values and keys. can we give more than one null value or key in hashmap.
 
Paul Sturrock
Bartender
Posts: 10336
Eclipse IDE Hibernate Java
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
More than one null value, yes. More than one null key, no; keys need to be unique.
 
sumi sudha
Greenhorn
Posts: 14
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Thanks Paul.
 
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
Boost this thread!