How to get customer group collection in Magento 2?

In Magento 2 We can easily get customer group programmatically by using below code snippets. You are aware of How to create customer and new address programmatically in Magento 2

Below code snippets display all the customer group in the system,
Call groupCollectionFactory using __construct() in block file,

<?php
namespace Rbj\CustomerGroup\Block;

class CustomerGroup extends \Magento\Framework\View\Element\Template
{
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\Customer\Model\ResourceModel\Group\CollectionFactory $groupCollectionFactory,
        array $data = []
    ) {
        $this->groupCollectionFactory = $groupCollectionFactory;
        parent::__construct($context, $data);
    }

    /**
     * Retrieve customer group collection
     *
     * @return GroupCollection
     */
    public function getCustomerGroupCollection()
    {
        if (!$this->hasData('customer_group_collection')) {
            $collection = $this->groupCollectionFactory->create();
            $this->setData('customer_group_collection', $collection);
        }

        return $this->getData('customer_group_collection');
    }

<?php

namespace Rbj\CustomerGroup\Block;

class CustomerGroup extends \Magento\Framework\View\Element\Template

{

public function __construct(

\Magento\Framework\View\Element\Template\Context $context,

\Magento\Customer\Model\ResourceModel\Group\CollectionFactory $groupCollectionFactory,

array $data = []

) {

$this->groupCollectionFactory = $groupCollectionFactory;

parent::__construct($context, $data);

}

/**

* Retrieve customer group collection

* @return GroupCollection

public function getCustomerGroupCollection()

{

if (!$this->hasData('customer_group_collection')) {

$collection = $this->groupCollectionFactory->create();

$this->setData('customer_group_collection', $collection);

}

return $this->getData('customer_group_collection');

}

Call from template file,

<?php
$customerGroupCollection = $block->getCustomerGroupCollection();
foreach($customerGroupCollection as $customerGroup) {
	echo 'ID '.$customerGroup->getId();
	echo 'Code '.$customerGroup->getCode();
	echo 'Tax class Id '.$customerGroup->getTaxClassId();
	echo "<br>";
}

<?php

$customerGroupCollection = $block->getCustomerGroupCollection();

foreach($customerGroupCollection as $customerGroup) {

echo 'ID '.$customerGroup->getId();

echo 'Code '.$customerGroup->getCode();

echo 'Tax class Id '.$customerGroup->getTaxClassId();

echo "<br>";

}

The output will be look like,

ID 0 Code NOT LOGGED IN Tax class Id 3
ID 1 Code General Tax class Id 3
ID 2 Code Wholesale Tax class Id 3
ID 3 Code Retailer Tax class Id 3

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