Check out example codes for "java loop hashmap". It will help you in understanding the concepts better.

Code Example 1

for (Map.Entry<String, String> entry : yourHashMap.entrySet()) {
	System.out.println(entry.getKey() + " = " + entry.getValue());
}

Code Example 2

public static void printMap(Map mp) {
    Iterator it = mp.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry pair = (Map.Entry)it.next();
        System.out.println(pair.getKey() + " = " + pair.getValue());
        it.remove(); // avoids a ConcurrentModificationException
    }
}

Code Example 3

map.forEach((k, v) -> {
    System.out.format("key: %s, value: %d%n", k, v);
});

Code Example 4

// Java program to demonstrate iteration over  
// Map.entrySet() entries using for-each loop 
  
import java.util.Map; 
import java.util.HashMap; 
  
class IterationDemo  
{ 
    public static void main(String[] arg) 
    { 
        Map<String,String> gfg = new HashMap<String,String>(); 
      
        // enter name/url pair 
        gfg.put("GFG", "geeksforgeeks.org"); 
        gfg.put("Practice", "practice.geeksforgeeks.org"); 
        gfg.put("Code", "code.geeksforgeeks.org"); 
        gfg.put("Quiz", "quiz.geeksforgeeks.org"); 
          
        // using for-each loop for iteration over Map.entrySet() 
        for (Map.Entry<String,String> entry : gfg.entrySet())  
            System.out.println("Key = " + entry.getKey() + 
                             ", Value = " + entry.getValue()); 
    } 
}

Learn ReactJs, React Native from akashmittal.com