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Prefuse is a set of software tools for creating rich interactive data visualizations in the Java programming language.

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package prefuse.util.collections;

import java.util.Comparator;

/**
 * A do-nothing comparator that simply treats all objects as equal.
 * @author jeffrey heer
 */
public class NullComparator implements Comparator {

	public int compare(Object o1, Object o2) {
		return 0;
	}

} // end of class NullComparator