Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;
import java.util.Iterator;

public class Main {
    public static Class<?> getTypeOfFirstElement(Collection<?> collection) {
        if (collection.isEmpty()) {
            return null;
        } else {
            return getFirstObject(collection).getClass();
        }
    }

    public static Object getFirstObject(Collection<?> collection) {
        Iterator<?> iterator = collection.iterator();

        if (iterator.hasNext()) {
            return iterator.next();
        } else {
            return null;
        }
    }
}