"duck typing" meaning in English

{
  "etymology_text": "From the so-called duck test: “if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.”",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "duck typing (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Terms with Finnish translations",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2006, Neal Ford, Scott Davis, No Fluff, Just Stuff Anthology: The 2006 Edition, page 16:",
          "text": "Ruby proponents call this duck typing::^([sic]) if the variable responds to a message that asks it to quack like a duck and it quacks, it must be a duck. This is clearly different from the way that Java (and other strongly typed languages) work, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface."
      ],
      "hypernyms": [
        {
          "word": "dynamic typing"
        },
        {
          "word": "typing"
        }
      ],
      "id": "en-duck_typing-en-noun-j0MAOTfS",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "dynamic typing",
          "dynamic typing"
        ],
        [
          "method",
          "method"
        ],
        [
          "properties",
          "property"
        ],
        [
          "semantics",
          "semantics"
        ],
        [
          "inheritance",
          "inheritance"
        ],
        [
          "class",
          "class"
        ],
        [
          "implementation",
          "implementation"
        ],
        [
          "interface",
          "interface"
        ]
      ],
      "raw_glosses": [
        "(programming) A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface."
      ],
      "related": [
        {
          "word": "typology"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "ankkatyypitys"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "duck typing"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "Duck-Typing"
        }
      ]
    }
  ],
  "word": "duck typing"
}

{
  "etymology_text": "From the so-called duck test: “if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.”",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "duck typing (uncountable)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "dynamic typing"
    },
    {
      "word": "typing"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "typology"
    }
  ],
  "senses": [
    {
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        "English entries with incorrect language header",
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        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with German translations",
        "Translation table header lacks gloss",
        "en:Programming"
      ],
      "examples": [
        {
          "ref": "2006, Neal Ford, Scott Davis, No Fluff, Just Stuff Anthology: The 2006 Edition, page 16:",
          "text": "Ruby proponents call this duck typing::^([sic]) if the variable responds to a message that asks it to quack like a duck and it quacks, it must be a duck. This is clearly different from the way that Java (and other strongly typed languages) work, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "dynamic typing",
          "dynamic typing"
        ],
        [
          "method",
          "method"
        ],
        [
          "properties",
          "property"
        ],
        [
          "semantics",
          "semantics"
        ],
        [
          "inheritance",
          "inheritance"
        ],
        [
          "class",
          "class"
        ],
        [
          "implementation",
          "implementation"
        ],
        [
          "interface",
          "interface"
        ]
      ],
      "raw_glosses": [
        "(programming) A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "ankkatyypitys"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "duck typing"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "neuter"
      ],
      "word": "Duck-Typing"
    }
  ],
  "word": "duck typing"
}