"POJO" meaning in English

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  "lang_code": "en",
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          "word": "plain old Java object"
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          "ref": "2021, Duncan McGregor, Nat Pryce, Java to Kotlin, O'Reilly Media, →ISBN:",
          "text": "Because of this, immutable POJOs are common and may have value semantics. Mutable POJOs still seem to be the default though, so much so that many people consider that object-oriented programming in Java is synonymous with mutable objects.",
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      "enpr": "pō-jō"
    },
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    {
      "rhymes": "-oʊ"
    }
  ],
  "word": "POJO"
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          "ref": "2021, Duncan McGregor, Nat Pryce, Java to Kotlin, O'Reilly Media, →ISBN:",
          "text": "Because of this, immutable POJOs are common and may have value semantics. Mutable POJOs still seem to be the default though, so much so that many people consider that object-oriented programming in Java is synonymous with mutable objects.",
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      "ipa": "/ˈpoʊ.d͡ʒoʊ/"
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