Find key present in HashMap
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
public class HashMapKey {
public static void main(String[] args) {
HashMap
mapa =new HashMap ();
mapa.put("a", "Mukesh");
mapa.put("b", "deoghar");
mapa.put("c", "satsang");
mapa.put("d", "devsang");
Set se=new HashSet();
System.out.println("Keys
of map" +mapa);
System.out.println("Keys
of map" +mapa.keySet());
System.out.print("Is
c present?:" +mapa.containsKey("c"));
}
}
Keys of map{a=Mukesh, b=deoghar, c=satsang, d=devsang}
Keys of map[a, b, c, d]
Is c present?:true
Find key present in HashMap
Reviewed by Mukesh Jha
on
7:42 AM
Rating:
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