Java treemap

Treemap in java

TreeSet: Can contain only unique values and it is sorted in ascending order
TreeMap: Can contain only unique keys and keys are sorted in ascending order.

Java treemap

import java.util.*;  
class Tree_Map{  
public static void main(String args[]){  
   TreeMap<Integer,String> map=new TreeMap<Integer,String>();    
      map.put(93,"Afghanistan");    
      map.put(213,"Algeria");    
      map.put(55,"Brazil");       
        
      for(Map.Entry mapTree:map.entrySet()){    
       System.out.println(mapTree.getKey()+" "+mapTree.getValue());    
      }    
}  
}

Source: softhunt.net

Treemap

>>> def treemap(lst):
...     for i in range(len(lst)):
...         if type(lst[i])==int:
...             lst[i]=lst[i]**2
...         elif type(lst[i])==list:
...             treemap(lst[i])
...     return lst
>>> lst = [1, 2, 3, [4, [5, 6], 7]]
>>> print(treemap(lst))
[1, 4, 9, [16, [25, 36], 49]]

Source: stackoverflow.com

Treemap java

TreeMap<Integer, String> x = new TreeMap<Integer, String>();    
tm.put(1, "Hello");

Treemap

def treemap(lst):
    cp = list()
    for element in lst:
        if isinstance(element, list):
            cp.append(treemap(element))
        else:
            cp.append(element**2)
    return cp

Source: stackoverflow.com

Similar codes

4 votes144 views1 answer
Tkinter change label text color
Python
0 vote131 views1 answer
Find and replace subword in word python regex
Python
0 vote157 views1 answer
Np minimum of array
Python
17 votes142 views4 answers
How to get int input in python
Python
0 vote95 views1 answer
Can i change color of text in jupyter notebook
Python
2 votes190 views1 answer
How to merge between two columns and make a new one in pandas dataframe
Python
1 vote135 views1 answer
Get today's date pandas
Python
2 votes125 views5 answers
69
Python
0 vote125 views2 answers
How to make a leaderboard in python
Python
0 vote173 views1 answer
Flask where to put db.create_all
Python Flask