key value pair classes

Greenhorn

Posts: 7

posted 18 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

When you want to associate keys with values and you are using JDK1.2, which of the following classes are preferred?

a] Dictionary
b] HashTable
c] Properties
d] HashMap
e] TreeMap

Shang Lee

Greenhorn

Posts: 20

posted 18 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

Hi Lavanya,

Are there more information provided on the question (e.g. need keys in a sorted order...etc.)?

"Hashtable is synchronized. TreeMap maintains keys in a sorted order."

Storing Objects in Java, Part 3 - The Map Interface

Best Wishes,<br />Shang

Barry Gaunt

Ranch Hand

Posts: 7729

posted 18 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

"JDK1.2" ? Where did these questions come from?

Ask a Meaningful Question and HowToAskQuestionsOnJavaRanch
Getting someone to think and try something out is much more useful than just telling them the answer.