148.TreeMap

What is the TreeMap in Java?

• A type of graph
• A geographical navigation tool
• A data structure that stores key-value pairs in a sorted order
• A painting technique

What is the use of TreeMap?

• For drawing maps
• For storing unordered data
• For efficient storage of data with sorted keys
• For creating geographic databases

What is the difference between HashMap and TreeMap?

• HashMap is single-ended, TreeMap is double-ended
• HashMap maintains insertion order, TreeMap maintains sorted order
• HashMap is faster, TreeMap is slower
• There is no difference

Why should I use TreeMap in Java?

• For random access of elements
• For faster insertion of elements
• For efficient storage with sorted keys
• For storing only integer keys

Why use TreeMap over HashMap?

• TreeMap uses less memory
• TreeMap supports more data types
• TreeMap maintains sorted order
• There is no reason to use TreeMap over HashMap

Which is faster, HashMap or TreeMap?

• HashMap
• TreeMap
• Both are equally fast
• It depends on the use case

How is data stored in TreeMap?

• Randomly
• In insertion order
• In sorted order of keys
• In reverse order of keys

Is TreeMap a chart?

• Yes
• No
• Only if it contains numbers
• Only if it's sorted

Can TreeMap have duplicate keys?

• Yes
• No
• Only if it's empty
• Only if it's sorted

What is the difference between TreeSet and TreeMap?

• TreeSet stores key-value pairs, TreeMap stores only keys
• TreeSet is for integers, TreeMap is for strings
• TreeSet maintains sorted order of elements, TreeMap maintains sorted order of keys
• There is no difference