René's URL Explorer Experiment

{
    "@context": "https://schema.org",
    "@type": "Article",
    "publisher": {
        "@type": "Organization",
        "name": "HelloKoding - Practical Coding Guides, Tutorials and Examples Series",
        "logo": "http://hellokoding.com/content/images/2020/11/logo-64.png"
    },
    "author": {
        "@type": "Person",
        "name": "Van N.",
        "image": "http://hellokoding.com/content/images/2022/01/avatar_2010.jpg",
        "url": "http://hellokoding.com/author/giau/",
        "sameAs": [
            "https://github.com/giaungo"
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    "headline": "equals and hashCode contract in Java",
    "url": "http://hellokoding.com/java-equals-and-hashcode/",
    "datePublished": "2019-06-15T05:37:51.000Z",
    "dateModified": "2020-03-29T12:48:31.000Z",
    "image": "http://hellokoding.com/content/images/2019/06/JavaCore_equals--andhashCode--.png",
    "keywords": "Java, Collections In Java",
    "description": "In Java, equals() method is used to compare the equivalence between two objects. hashCode() method is used to generate the object's hash code which is used to properly distribute entries across hash table based collections such as HashMap or HashSet By default, both of them are defined in the Object"
}