Collection class

[gayathrikven]

How to write a Java method that stores the months of the year and the number of days of the corresponding month in a collection class, then goes through the collection and prints the name of the months that only have 30 days

[wsaryada]

In this forum we are not providing a help to write code. But, we are happily help to guide you if you have any problems with your code. So, please write the code and tell us where you got stuck with it.

[gayathrikven]

import java.util.*;
Im a newbie to Java, So im learning able these concepts. Im struck at how to list which months have 30days and which have 31days and which have 28days and also how to print that has only 30days

Im happy to learn but I dont have proper resources to learn, so seeking help
public class CollectionTest {
public static void main(String [] args) {
System.out.println( "Collection Example!\n" );
int size;
HashSet collection = new HashSet ();
String str1 = "Jan", str2 = "Feb", str3 =
"Mar", str4 = "Apr", String str5 = "May", str6 = "June", str7 =
"July", str8 = "Aug",String str9 = "Sep", str10 = "Oct", str11 =
"Nov", str12 = "Dec";
Iterator iterator;
collection.add(str1);
collection.add(str2);
collection.add(str3);
collection.add(str4);
collection.add(str5);
collection.add(str6);
collection.add(str7);
collection.add(str8);
collection.add(str9);
collection.add(str10);
collection.add(str11);
collection.add(str12);
System.out.print("Collection data: ");
iterator = collection.iterator();
while (iterator.hasNext()){
System.out.print(iterator.next() + " ");
}
System.out.println();
}

[gayathrikven]

Thanks a lot