Searching a Key and finding value associated with it in a TreeMap

 

import java.util.Scanner;

import java.util.TreeMap;

public class MapTreeContainKey {

public static void main(String[] args) {

//creating our tree map

TreeMap<Integer, String> tm = new TreeMap<>();

//Inserting element in our TreeMap

tm.put(17, "this");

tm.put(13, "Invent");

tm.put(18, "blog");

tm.put(16, "on");

tm.put(15, "you");

tm.put(14, "welcomes");

tm.put(12, "Java");

Scanner sc = new Scanner(System.in);

System.out.println("Enter the key you want to search");

Integer key = sc.nextInt();

if (tm.containsKey(key)) {

System.out.println("Key is present and value associated with it is : ");

System.out.println(tm.get(key));

} else {

System.out.println("key not found");

}

}

}