Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.LinkedHashSet;

public class Main {

    public static <E> LinkedHashSet<E> createLinkedHashSet() {
        return new LinkedHashSet<E>();
    }

    public static <T, V extends T> LinkedHashSet<T> createLinkedHashSet(V... args) {
        if (args == null || args.length == 0) {
            return new LinkedHashSet<T>();
        }
        LinkedHashSet<T> set = new LinkedHashSet<T>(args.length);

        for (V v : args) {
            set.add(v);
        }

        return set;
    }

    public static <T> LinkedHashSet<T> createLinkedHashSet(Iterable<? extends T> iter) {
        LinkedHashSet<T> set;

        if (iter instanceof Collection<?>) {
            set = new LinkedHashSet<T>((Collection<? extends T>) iter);
        } else {
            set = new LinkedHashSet<T>();
            iterableToCollection(iter, set);
        }

        return set;
    }

    private static <E> void iterableToCollection(Iterable<? extends E> iter, Collection<E> list) {
        if (iter == null) {
            return;
        }

        for (E element : iter) {
            list.add(element);
        }
    }
}