Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.util.Set;

public class Main {
    public static <T> Set<T> toSet(Set<T> set, T... arr) {
        if (set == null) {
            set = new HashSet<T>();
        }

        return (Set<T>) copy(set, arr);
    }

    public static <T> Collection<T> copy(Collection<T> col, T... arr) {
        if (col == null) {
            col = new ArrayList<T>(arr.length);
        }

        for (T t : arr) {
            col.add(t);
        }

        return col;
    }
}