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

0 vote323 views1 answer
Set location of a label java
Java
159 votes586 views6 answers
Scanner in java
Java
24 votes344 views6 answers
Java public static void main
Java
3 votes310 views3 answers
Change java version
Java
0 vote317 views1 answer
Sartt timer of 40 second when send otp andrpid
Java
4 votes354 views6 answers
Java do while loop
Java
0 vote316 views1 answer
How to explicitly declare an array java
Java
0 vote360 views1 answer
Do not treat position as fixed; only use immediately and call `holder.getAdapterPosition()` to look it up later
Java
0 vote370 views1 answer
How to install java 8 on terminal os
Java
2 votes324 views1 answer
Android studio textbox change text
Java