Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;
import java.util.Collection;

public class Main {
    public static <T> T first(Collection<? extends T> collection) {
        ArrayList<T> list = new ArrayList<>(collection);
        return list.isEmpty() ? null : list.get(0);
    }
}