Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static <T> T uniqueResult(final Collection<T> c) {
        switch (c.size()) {
        case 0:
            return null;
        case 1:
            return c.iterator().next();
        default:
            throw new IllegalStateException("Unexpected number of elements in collection: " + c.size());
        }
    }
}