📄 oystermonths.java
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import java.util.Collection;import java.util.ArrayList;import java.util.Arrays;import java.util.Iterator;import java.text.DateFormatSymbols;public class OysterMonths { Collection<String> safeMonths; public Collection<String> filter(Collection<String> c) { Collection<String> filteredCollection = new ArrayList<String>(); for (Iterator<String> i = c.iterator(); i.hasNext(); ) { String s = i.next(); if (condition(s)) { filteredCollection.add(s); } } return filteredCollection; } public boolean condition(String s) { return s.contains("r"); } public static void main(String[] args) { OysterMonths om = new OysterMonths(); DateFormatSymbols dfs = new DateFormatSymbols(); String[] monthArray = dfs.getMonths(); Collection<String> months = Arrays.asList(monthArray); om.safeMonths = om.filter(months); System.out.println("The following months are safe for oysters:"); System.out.println(om.safeMonths); }}
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