Question

How to retrieve a value from HashMap to Object in Java

Answer 1

package javaapplication1;

import java.util.HashMap;

public class JavaApplication1 {

    public static void main(String[] args) {

        HashMap hMap = new HashMap();
   
        hMap.put("1", "Java");
        hMap.put("2", "C++");
        hMap.put("3", "C");
        hMap.put("4", "C#");
        hMap.put("5", "PHP");
        hMap.put("6", "JavaScript");
        
        Object o = hMap.get("3");
        System.out.println(o);
        
        System.out.println(hMap);
  }
}
  
/*
run:

C
{1=Java, 2=C++, 3=C, 4=C#, 5=PHP, 6=JavaScript}

*/

 

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