how to get all keys of a map in java

TopG_demigod answered on August 17, 2022 Popularity 9/10 Helpfulness 6/10

answer how to get all keys of a map in java

how to get all keys of a map in java

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import java.util.*;

public class MyClass {
    public static void main(String args[]) {
        // Create a HashMap with some values
        HashMap<String, Integer> map = new HashMap<String, Integer>();
        map.put("Monday", 5);
        map.put("Tuesday", 6);
        map.put("Wednesday", 10);
        
        // Invoke keySet() on the HashMap object to get the keys as a set
        Set<String> keys = map.keySet();
        for ( String key : keys ) {
            System.out.println( key );
        }
    }
}

Popularity 9/10 Helpfulness 6/10 Language java

Source: Grepper

Tags: get java map

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Contributed on Aug 17 2022

TopG_demigod

0 Answers Avg Quality 2/10

how to get all keys of a map in java

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