Question

How to loop a map with foreach in Java

Answer 1

import java.util.*; 

public class MyClass {
    public static void main(String args[]) {
        Map<String, Integer> map = new HashMap<>();
        
    	map.put("A", 1);
    	map.put("B", 2);
    	map.put("C", 3);
    	map.put("D", 4);
    	map.put("E", 5);

    	map.forEach((key, value)->System.out.println(key + ": " + value));
    }
}



/*
run:

A : 1
B : 2
C : 3
D : 4
E : 5

*/

 

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