ChangeElementsOfHashMap

// Java program to change
// elements of HashMap
 
import java.io.*;
import java.util.*;
class ChangeElementsOfHashMap {
    public static void main(String args[])
    {
 
        // Initialization of a HashMap
        HashMap<Integer, String> hm
            = new HashMap<Integer, String>();
 
        // Change Value using put method
        hm.put(1, "Geeks");
        hm.put(2, "Geeks");
        hm.put(3, "Geeks");
 
        System.out.println("Initial Map " + hm);
 
        hm.put(2, "For");
 
        System.out.println("Updated Map " + hm);
    }
}

Source: geeksforgeeks.org

Similar codes

1 vote166 views1 answer
How to find the class of an object java
Java
2 votes259 views2 answers
Java singleton
Java
10 votes195 views2 answers
Change the default port in spring boot
Java
4 votes221 views1 answer
Java fps
Java
0 vote162 views1 answer
Bigint is built in object
Java
15 votes168 views2 answers
Java how to convert string to int
Java
0 vote161 views1 answer
Dark mode app android studio
Java
0 vote170 views1 answer
Spring boot procfile run profile
Java
0 vote159 views1 answer
Android studio set error
Java
11 votes164 views6 answers
How to get current date time in android
Java