Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.*;

public class Main {
    /**
     * Returns the first item in the collection or null if the collection is empty
     */
    public static <X> X getFirstItem(Collection<X> c) {
        X o;
        if (c == null || c.isEmpty()) {
            o = null;
        } else if (c instanceof List) {
            o = ((List<X>) c).get(0);
        } else {
            o = c.iterator().next();
        }
        return o;
    }
}