Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static <T> HashSet<T> createHashSet() {
        return new HashSet();
    }

    public static <T, V extends T> HashSet<T> createHashSet(V... args) {
        if ((args == null) || (args.length == 0)) {
            return new HashSet();
        }
        HashSet<T> set = new HashSet(args.length);
        for (V v : args) {
            set.add(v);
        }
        return set;
    }

    public static <T> HashSet<T> createHashSet(Iterable<? extends T> c) {
        HashSet<T> set;
        if ((c instanceof Collection)) {
            set = new HashSet((Collection) c);
        } else {
            set = new HashSet();
            iterableToCollection(c, set);
        }
        return set;
    }

    private static <T> void iterableToCollection(Iterable<? extends T> c, Collection<T> list) {
        for (T element : c) {
            list.add(element);
        }
    }
}