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 final Collection getDistinctCollection(Collection collection) {

        Collection distinct = collection != null ? new ArrayList(collection) : collection;

        distinctCollection(distinct);

        return distinct;
    }

    public static final void distinctCollection(Collection<? extends Object> collection) {
        if (collection != null && !collection.isEmpty()) {
            Set<? extends Object> distinctSet = new HashSet<Object>(collection);

            collection.clear();

            ((Collection<Object>) collection).addAll(distinctSet);
        }
    }

    public static boolean isEmpty(Collection<?> collection) {
        return collection == null || collection.isEmpty();
    }
}