Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.List;

public class Main {
    public static <T> T head(List<T> list) {
        if (list.size() == 0) {
            throw new IllegalStateException("head of empty list");
        }
        return list.get(0);
    }
}