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 vote299 views1 answer
Why java is secure
Java
2 votes334 views1 answer
Encoding UTF
Java
0 vote331 views1 answer
How to change custom font to bold italic in java
Java
0 vote332 views1 answer
How to byheart faster
Java
0 vote324 views1 answer
Keytool error: java.lang.Exception: Key pair not generated, alias <demo> already exists
Java
0 vote332 views1 answer
Doc string in java
Java
0 vote327 views1 answer
Java long to hours minutes and seconds
Java
7 votes335 views3 answers
Java font
Java
2 votes367 views3 answers
Java get first day of the week
Java
0 vote310 views1 answer
Permission foreground_service
Java