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 vote144 views1 answer
What is delegation in java
Java
1 vote162 views2 answers
How to use string variables with an if statement in java
Java
0 vote157 views1 answer
Windows Jmeter java.net.BindException: Address already in use: connect
Java
0 vote153 views3 answers
Spring boot sql logging
Java
22 votes174 views1 answer
Swing disable button
Java
0 vote136 views1 answer
From string to int android studio
Java
1 vote163 views1 answer
Collect as arr java 8
Java
6 votes138 views3 answers
Java get current year
Java
0 vote144 views1 answer
Java notnull returns null
Java
0 vote150 views1 answer
Jframe maximized at startup
Java