Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.Collection;
import java.util.Comparator;

import java.util.Iterator;

public class Main {
    /**
     * Get the "best" in collection. That is the least if direction is < 0, otherwise the greatest. The first is chosen if there are multiples.
     * @param <T>
     * @param <U>
     * @param c
     * @param comp
     * @param direction
     * @return
     */
    public static <T, U extends Collection<T>> T getBest(U c, Comparator<T> comp, int direction) {
        Iterator<T> it = c.iterator();
        if (!it.hasNext())
            return null;
        T bestSoFar = it.next();
        if (direction < 0) {
            while (it.hasNext()) {
                T item = it.next();
                int compValue = comp.compare(item, bestSoFar);
                if (compValue < 0) {
                    bestSoFar = item;
                }
            }
        } else {
            while (it.hasNext()) {
                T item = it.next();
                int compValue = comp.compare(item, bestSoFar);
                if (compValue > 0) {
                    bestSoFar = item;
                }
            }
        }
        return bestSoFar;
    }
}