プリミティブラッパークラス
1. Primitive wrapper classA primitive wrapper class in the Java programming language is one of eight classes provided in the package to provide object methods for the eight primitive types. All of the primitive wrapper classes in Java are immutable. J2SE 5.0 introduced autoboxing of primitive types into their wrapper object, and automatic unboxing of the wrapper objects into their primitive value—the implicit conversion between the wrapper objects and primitive values.
Read “Primitive wrapper class” on English Wikipedia
Read “プリミティブラッパークラス” on Japanese Wikipedia
Read “Primitive wrapper class” on DBpedia
Read “Primitive wrapper class” on English Wikipedia
Read “プリミティブラッパークラス” on Japanese Wikipedia
Read “Primitive wrapper class” on DBpedia
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