Question

How to iterate over each entry of HashMap in a Java

Answer 1

import java.util.HashMap;
import java.util.Set;

public class MyClass {
    public static void main(String args[]) {
        HashMap<String, Integer> hmp = new HashMap<String, Integer>();
   
        hmp.put("java", 4);
        hmp.put("c++", 2);
        hmp.put("c", 6);
        hmp.put("python", 5);
        hmp.put("c#", 1);
        hmp.put("javascript", 7);
        hmp.put("php", 3);
        
        for (var entry : hmp.entrySet()) {
            System.out.println(entry.getKey() + ": " + entry.getValue());
        }
    }
}




/*
run:
      
c#: 1
c++: 2
python: 5
java: 4
c: 6
php: 3
      
*/

 

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