Knowee
Questions
Features
Study Tools

dentify the wrong statement about TreeMap.a)Keys are in descending order.b)It contains unique elements.c)TreeMap is sorted by keys.d)It stores the object in the tree structure.e)It cannot have a null key but have multiple null values.

Question

dentify the wrong statement about TreeMap.a)Keys are in descending order.b)It contains unique elements.c)TreeMap is sorted by keys.d)It stores the object in the tree structure.e)It cannot have a null key but have multiple null values.

🧐 Not the exact question you are looking for?Go ask a question

Solution

The incorrect statement about TreeMap is "a) Keys are in descending order." By default, TreeMap elements in Java are sorted in ascending order of their keys. However, it can be sorted in descending order with the use of appropriate comparator.

Similar Questions

A tree data structure whose shape obeys the following definition,o    A node contains one or two keyso    Every internal node has either 2 children if it contains 1 key or 3 children if it contains two keyso    All leaves are at the same level in the tree Is called a/an:Question 9Select one:a.B*-Treeb.BSTc.B+-Treed.2-3 tree

Which of the follwoing is not true about hashmap?a)It may have a single null key and multiple null values.b)It does not contain unique elements.c)HashMap contains value based on the key.d)It works on the principle of hashing.e)HashMap does not maintain order while iterating.

Which one of the following visuals can be sorted? TreemapBar chartFilled mapCards

Is the implementation of Map, which doesn't maintain any order.a)linkedhash mapb)hashmapc)treemapd)liste)map

Which of the following is true about tree maps?1 pointThey show a hierarchy of information without much detail.They are best used for geographical information.They are seldom customized, so they are very consistent.They can show a lot of data at once because of features like the color and shape of components.

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.