Java: Delete all elements from a given Tree Map

Last update on December 21 2024 09:56:47 (UTC/GMT +8 hours)

Write a Java program to delete all elements from a Tree Map.

Sample Solution:-

Java Code:

import java.util.*;
import java.util.Map.Entry;  
public class Example6 {  
    public static void main(String args[]){  
    // Create a tree map
   TreeMap<String,String> tree_map1 = new TreeMap<String,String>();      
    // Put elements to the map 
  tree_map1.put("C1", "Red");
  tree_map1.put("C2", "Green");
  tree_map1.put("C3", "Black");
  tree_map1.put("C4", "White"); 
    
  System.out.println("Orginal TreeMap content: "+tree_map1);
  tree_map1.clear();
  System.out.println("The New map: "+tree_map1);
 }
}

Sample Output:

Orginal TreeMap content: {C1=Red, C2=Green, C3=Black, C4=White}        
The New map: {}

Java Code Editor:

Contribute your code and comments through Disqus.

Previous: Get a collection view of the values contained in this map.
Next: Sort keys in Tree Map by using comparator.