Oliver
Posts: 12
Nickname: lazycat
Registered: Dec, 2002
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Re: How can i order in decending order Using hash set
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Posted: Dec 19, 2002 7:54 AM
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import java.util.*;
class DescendHashSet {
public static void main(String [] args){
String [] items = {"3", "1", "4", "1", "5","9"};
DescendComp descendSort = new DescendComp();
Set ascendSet = new TreeSet();
Set descendSet = new TreeSet(descendSort);
for(int i = 0; i < items.length; i++){
ascendSet.add(new Integer(items));
descendSet.add(new Integer(items));
}
System.out.println(ascendSet);
System.out.println(descendSet);
}
}
class DescendComp implements Comparator {
public int compare(Object str1, Object str2){
Integer tmp1 = (Integer)str1;
Integer tmp2 = (Integer)str2;
return -(tmp1.compareTo(tmp2));
}
}
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